Journal ArticleArch Pathol Lab Med · November 1, 2024
CONTEXT.—: Mesothelioma is an uncommon tumor that can be difficult to diagnose. OBJECTIVE.—: To provide updated, practical guidelines for the pathologic diagnosis of mesothelioma. DATA SOURCES.—: Pathologists involved in the International Mesothelioma Inte ...
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Journal ArticleJ Thorac Oncol · April 2024
Despite efforts to ban asbestos mining and manufacturing, mesothelioma deaths in the United States have remained stable at approximately 2500 cases annually. This trend is not unique to the United States but is also a global phenomenon, associated with inc ...
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Journal ArticleUltrastruct Pathol · March 3, 2024
Asbestosis, defined as diffuse pulmonary fibrosis caused by inhalation of asbestos fibers, occurs after heavy exposures to asbestos dust over several decades. Because workplace exposures have been significantly curtailed since the banning of asbestos in in ...
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Journal ArticleHistopathology · March 2024
AIMS: Mesothelioma is a rare malignancy of the serosal membranes that is commonly related to exposure to asbestos. Despite extensive research and clinical trials, prognosis to date remains poor. Consistent, comprehensive and reproducible pathology reportin ...
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Journal ArticleAnn Diagn Pathol · February 2024
BACKGROUND: The diagnosis of mesothelioma may be challenging. We investigated a large database of cases in order to determine the frequency with which a diagnosis of mesothelioma was made incorrectly and the most frequent causes of error. DESIGN: A databas ...
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Journal ArticleDiagnostics (Basel) · October 26, 2023
Pulmonary lymphomas are rare. With the current less invasive approaches used to obtain material for diagnosis, the diagnosis of pulmonary lymphoma is now frequently established in a small biopsy rather than in a resection. Therefore, the diagnosis has beco ...
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ConferenceLab Invest · September 2023
Acute respiratory distress syndrome (ARDS) is a leading cause of respiratory failure and death in patients in the intensive care unit. Experimentally, acute lung injury resolution depends on the repair of mitochondrial oxidant damage by the mitochondrial q ...
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Journal ArticleInt J Mol Sci · August 3, 2023
Theories of disease pathogenesis following asbestos exposure have focused on the participation of iron. After exposure, an open network of negatively charged functional groups on the fiber surface complexes host metals with a preference for iron. Competiti ...
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Journal ArticleEnviron Res · August 1, 2023
This paper summarizes recent insights into causal biological mechanisms underlying the carcinogenicity of asbestos. It addresses their implications for the shapes of exposure-response curves and considers recent epidemiologic trends in malignant mesothelio ...
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Journal ArticleSci Rep · March 9, 2023
We tested the hypothesis that (1) mucus production can be included in the cell response to iron deficiency; (2) mucus binds iron and increases cell metal uptake; and subsequently (3) mucus impacts the inflammatory response to particle exposure. Using quant ...
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Journal ArticleMediastinum · 2023
Lymphomas are among the most common malignant tumors occurring in the anterior/prevascular mediastinum. Their diagnoses can be challenging in small biopsies, the current most common method of sampling of an anterior mediastinal mass. Because the initial cl ...
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Journal ArticleJournal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer · May 2022
Substantial changes in the 2021 WHO Classification of Tumors of the Pleura and Pericardium since the 2015 WHO Classification include the following: (1) pleural and pericardial tumors have been combined in one chapter whereas in the 2015 WHO, pericardial tu ...
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Journal ArticleInt J Chron Obstruct Pulmon Dis · 2022
It is proposed that the mechanistic basis for non-neoplastic lung injury with cigarette smoking is a disruption of iron homeostasis in cells after exposure to cigarette smoke particle (CSP). Following the complexation and sequestration of intracellular iro ...
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Chapter · January 1, 2022
This chapter discusses major forms of inhalational dust-related and occupational lung disease (pneumoconiosis). ...
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Journal ArticleAm J Physiol Lung Cell Mol Physiol · August 1, 2021
Bacterial pneumonia is a major cause of morbidity and mortality worldwide despite the use of antibiotics, and novel therapies are urgently needed. Building on previous work, we aimed to 1) develop a baboon model of severe pneumococcal pneumonia and sepsis ...
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Journal ArticleAm J Surg Pathol · February 1, 2021
Only 50% to 70% of patients with mesothelioma report asbestos exposure. Other exposures (eg, radiation) play a role in some cases, but some patients have no obvious cause. We describe a series of patients with long-standing indwelling intra-abdominal shunt ...
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Journal ArticleJ Environ Pathol Toxicol Oncol · 2021
Perls' Prussian blue (PPB) stain recognizes Fe3+ associated with hemosiderin. The employment of this stain in clinical medicine and research has been extensive and novel applications continue to evolve. Ferruginous bodies are intracellular structures in lu ...
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Journal ArticleFront Public Health · 2021
Occupational exposure to diacetyl, a butter flavor chemical, can result in obliterative bronchiolitis. Obliterative bronchiolitis is characterized by exertional dyspnea, fixed airflow obstruction, and histopathologic constrictive bronchiolitis, with bronch ...
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Journal ArticleInhal Toxicol · 2021
OBJECTIVE: Several mechanisms have been proposed for the biological effect of diacetyl. We tested the postulate that animal and cell exposures to diacetyl are associated with a disruption in iron homeostasis. MATERIALS AND METHODS: Male, Sprague-Dawley rat ...
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Journal ArticleJ Thorac Oncol · June 2020
INTRODUCTION: Histologic subtypes of malignant pleural mesothelioma are a major prognostic indicator and decision denominator for all therapeutic strategies. In an ambiguous case, a rare transitional mesothelioma (TM) pattern may be diagnosed by pathologis ...
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Journal ArticleUltrastruct Pathol · March 3, 2020
Malignant mesothelioma is strongly associated with prior asbestos exposure. Recently there has been interest in the role of talc exposure in the pathogenesis of mesothelioma. We have analyzed lung tissue samples from a large series of malignant mesotheliom ...
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Journal ArticleAm J Surg Pathol · March 2020
We reviewed 354 cases of malignant diffuse mesothelioma (MM) in women from a database of 2858 histologically confirmed MM cases. There was a pleural predominance with 78% pleural MM and 22% peritoneal MM. The pleural tumors consisted of 72% epithelioid, 19 ...
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Journal ArticleMod Pathol · February 2020
The percentage of sarcomatoid component has an impact on prognosis in patients with biphasic malignant pleural mesothelioma. Recent study showed that the transitional pattern similar to sarcomatoid component of malignant mesothelioma has negative prognosti ...
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Journal ArticleMod Pathol · February 2020
Asbestos describes a group of naturally occurring fibrous silicate mineral compounds that have been associated with a number of respiratory maladies, including mesothelioma and lung cancer. In addition, based primarily on epidemiologic studies, asbestos ha ...
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Journal ArticleMod Pathol · February 2020
Localized malignant mesotheliomas (LMM) is an uncommon and poorly recognized neoplasm. Its pathologic diagnosis is often surprising in patients with serosal/subserosal based localized tumors that are clinically suspicious for metastatic lesions or primary ...
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Journal ArticleAm J Surg Pathol · February 2020
Neurofibromatosis type 2 (NF2), an inherited disorder associated with multiple inherited schwannomas, meningiomas and ependymomas is caused by an autosomal dominant, likely loss of function germline mutation of the NF2 gene. Interestingly, biallelic NF2 ge ...
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Journal ArticleJ Thorac Oncol · January 2020
INTRODUCTION: Molecular and immunologic breakthroughs are transforming the management of thoracic cancer, although advances have not been as marked for malignant pleural mesothelioma where pathologic diagnosis has been essentially limited to three histolog ...
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Chapter · January 1, 2020
Lung cancer is the most common malignancy worldwide and the most common cause of a cancer-related death. Tobacco smoking is the most important cause of lung cancer in most populations although occupational exposures cause an increased risk of lung cancer m ...
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Journal ArticleHum Pathol · October 2019
Malignant mesothelioma (MM) arising from the serosal membranes of the tunica vaginalis testis (TVT) is rare. Most examples in the published medical literature are individual case reports. This study presents the clinicopathological findings of mesothelioma ...
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Journal ArticleUltrastruct Pathol · 2019
Asbestos is well-recognized as the cause of a variety of disorders of the respiratory tract, including neoplastic as well as non-neoplastic conditions. Fiber dimensions and biopersistence are important determinants of the pathologic response, and analytica ...
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Journal ArticleUltrastruct Pathol · 2019
A variety of fibrotic lung diseases are caused by the inhalation of organic dusts. Many of these disorders have distinctive histopathology and can be readily diagnosed by routine histopathologic examination. However, in some instances, there is overlap in ...
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Journal ArticleFront Immunol · 2019
Inhalational exposure to crystalline silica is linked to several debilitating systemic autoimmune diseases characterized by a prominent humoral immune component, but the mechanisms by which silica induces autoantibodies is poorly understood. To better unde ...
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Journal ArticleToxicol Appl Pharmacol · December 15, 2018
Asbestos mineral fibers have been associated with the development of a variety of diseases in humans and experimental animals, including asbestosis, lung cancer, and mesothelioma. Asbestos includes several mineral types divided into two mineral groups, ser ...
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Journal ArticleJ Clin Pathol · November 2018
AIMS: Florid mesothelial hyperplasia is known to result from endometriosis. Well-differentiated papillary mesothelioma and multiloculated peritoneal inclusion cysts have also been described in women with endometriosis. To our knowledge, peritoneal diffuse ...
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Journal ArticleCarcinogenesis · September 21, 2018
Asbestos exposure is the main etiology of malignant mesothelioma, but there are conflicting data on whether the intensity of exposure modulates the development of this disease. This study considered 594 patients with malignant mesothelioma for whom count d ...
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Journal ArticleHuman Pathology: Case Reports · September 1, 2018
Nodular mesothelial/histiocytic hyperplasia (NMHH) is a benign reactive phenomenon that can occur at any mesothelial site. We report the case of a 33 year old male who presented with chest pain and a pleural effusion, and after several months of investigat ...
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Journal ArticleJ Thorac Oncol · August 2018
INTRODUCTION: The 2015 WHO classification of tumors categorized malignant mesothelioma into epithelioid, biphasic (BMM), and sarcomatoid (SMM) for prognostic relevance and treatment decisions. The survival of BMM is suspected to correlate with the amount o ...
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Journal ArticleJ Occup Environ Med · July 2018
OBJECTIVES: The aim of the study was to reanalyze an updated database of lung asbestos fiber levels for 21 brake repair workers who died of mesothelioma using robust maximum likelihood-based regression methods to address nondetectable measurements. METHODS ...
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Journal ArticleArch Pathol Lab Med · June 2018
CONTEXT: - Although many mesotheliomas are related to asbestos exposure, not all are, and there is increasing information on other causes of mesothelioma. OBJECTIVE: - To provide a review of non-asbestos causes for malignant mesothelioma. DATA SOURCES: - R ...
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Journal ArticleArch Pathol Lab Med · June 2018
CONTEXT: - Malignant mesothelioma (MM) is a component of the BAP1 tumor predisposition syndrome. Other than in BAP1 familial studies, nonmesothelial neoplasms in individuals with MM has not been comprehensively assessed. OBJECTIVE: - To assess the spectrum ...
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Journal ArticleMod Pathol · April 2018
A recently described nuclear grading system predicted survival in patients with epithelioid malignant pleural mesothelioma. The current study was undertaken to validate the grading system and to identify additional prognostic factors. We analyzed cases of ...
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Journal ArticleArch Pathol Lab Med · January 2018
CONTEXT: - Malignant mesothelioma (MM) is an uncommon tumor that can be difficult to diagnose. OBJECTIVE: - To provide updated, practical guidelines for the pathologic diagnosis of MM. DATA SOURCES: - Pathologists involved in the International Mesothelioma ...
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Chapter · January 1, 2018
This chapter discusses major forms of inhalational dust-related and occupational lung disease (pneumoconiosis). ...
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Chapter · October 20, 2017
This chapter discusses major forms of inhalational dust-related and occupational lung disease (pneumoconiosis). ...
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Journal ArticleHum Pathol · September 2017
Immunohistochemistry is used to distinguish sarcomatoid malignant mesotheliomas (SMM) from spindle cell and pleomorphic carcinomas (SPC) but there are no guidelines on how to interpret cases that show overlapping or equivocal immunohistochemical findings. ...
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Journal ArticleCornea · June 2017
PURPOSE: To present a novel case of ocular argyrosis mimicking conjunctival melanoma. METHODS: A 48-year-old man who is a jewelry manufacturer presented with raised pigmented lesions in the inferior fornices of both eyes. Brown-black colored, follicle-like ...
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Journal ArticleJ Clin Pathol · March 2017
AIMS: Mesothelial reaction simulating peritoneal diffuse malignant mesothelioma (MM) has been reported in the setting of Crohn ileitis. To our knowledge, peritoneal MM arising in patients with inflammatory bowel disease (IBD) has not been reported. The pur ...
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ConferenceEuropean Mineralogical Union Notes in Mineralogy · January 1, 2017
This chapter provides a comprehensive description of the physical, chemical, biological and mineralogical parameters that play a role in determining the toxicity and pathogenicity of mineral fibres. The first steps towards a general toxicity/pathogenicity ...
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Journal ArticleArch Pathol Lab Med · October 2016
CONTEXT: -The International Collaboration on Cancer Reporting is a not-for-profit organization formed by the Royal Colleges of Pathologists of Australasia and the United Kingdom; the College of American Pathologists; the Canadian Association of Pathologist ...
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Journal ArticleLung Cancer · May 2016
OBJECTIVES: To examine the clinicopathologic characteristics of individuals with diffuse malignant mesothelioma (DMM) occurring concurrently with lung cancer (LC). MATERIALS AND METHODS: A database of approximately 3800 patients with DMM was reviewed, from ...
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Journal ArticleHum Pathol · April 2016
Giant cell interstitial pneumonia is a rare lung disease and is considered pathognomonic for hard metal lung disease, although some cases with no apparent hard metal (tungsten carbide cobalt) exposure have been reported. We aimed to explore the association ...
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Journal ArticleJ Thorac Oncol · February 2016
A new World Health Organization (WHO) Classification of Tumors of the Pleura has recently been published. While the histologic classification of pleural malignant mesothelioma remains the same in the 2015 WHO classification as it was in the 2004 classifica ...
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Journal ArticleUltrastruct Pathol · 2016
Exposure to hard metal (tungsten carbide) dust is a rare cause of interstitial lung disease. Although most cases have a distinctive morphology known as giant cell interstitial pneumonitis, other patterns have been described as well. In such cases, the true ...
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Journal ArticleUltrastruct Pathol · 2016
There has been considerable interest in the exposure doses that contribute to the various asbestos-associated diseases. Epidemiological studies have shown important differences in the contributions of the various fiber types to asbestos-related diseases, w ...
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Journal ArticleUltrastruct Pathol · 2016
Aluminum-induced lung injury is an uncommon, yet recognized pneumoconiosis capable of causing severe interstitial fibrosis. Important attention to the clinical history including occupational exposure is an essential component to making the correct diagnosi ...
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Journal ArticleUltrastruct Pathol · 2016
Asbestos is universally recognized as a carcinogen for the lower respiratory tract. However, asbestos is a contributory factor in a small fraction of lung cancers, the vast majority of which are related to cigarette smoking. The challenge for the pathologi ...
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Journal ArticleUltrastruct Pathol · 2016
Epidemiological studies indicate that 80-90% of mesotheliomas are asbestos related. This suggests that 10-20% are not. Lung fiber burden analysis provides objective information about past exposures to asbestos. We have performed lung fiber burden analysis ...
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Journal ArticleUltrastruct Pathol · 2016
Lung tissue from 42 peritoneal mesothelioma cases was analyzed by light microscopy and scanning electron microscopy/energy dispersive spectrometry. There were 34 men and 8 women with a mean age of 61 ± 10 years. Also, 17% of cases had histologically confir ...
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Journal ArticleUltrastruct Pathol · 2016
Pneumoconiosis is often considered a disease of the lung initiated by exposure to dust or other airborne particles, resulting in injury to the lungs. The term "endogenous pneumoconiosis" has been used in the literature to describe the deposition of compoun ...
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Journal ArticleInternational Journal of Clinical and Experimental Pathology · January 1, 2016
Malignant mesothelioma is a highly fatal cancer of the visceral and parietal pleura most often caused by asbestos exposure. However, studies over the past thirty-five to forty years have shown that a fibrous zeolite mineral found in the soil, erionite, is ...
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ConferenceAm J Surg Pathol · November 2015
Peritoneal mesothelioma is rare, and the sarcomatoid variant is more infrequent, with <30 cases reported to date in the literature. Several case series have described the morphologic features of sarcomatoid peritoneal mesothelioma (SPe); however, the clini ...
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Journal ArticleAm J Physiol Lung Cell Mol Physiol · October 15, 2015
Inhaled carbon monoxide (CO) gas has therapeutic potential for patients with acute respiratory distress syndrome if a safe, evidence-based dosing strategy and a ventilator-compatible CO delivery system can be developed. In this study, we used a clinically ...
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Journal ArticleArch Pathol Lab Med · September 2015
CONTEXT: Ionizing radiation has a role in the development of malignant mesothelioma, in several epidemiologic studies, including patients with hematologic malignancies. OBJECTIVE: To study the clinicopathologic characteristics of patients with malignant me ...
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Journal ArticleArch Pathol Lab Med · August 2015
CONTEXT: Numerous articles in the scientific literature indicate that pathogenic fibers with respect to asbestos-related diseases are those that exceed 5 μm in length. Nonetheless, some authors have expressed concerns regarding pathogenicity of shorter fib ...
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Journal ArticleAnn Am Thorac Soc · March 2015
Immunohistochemical stains have become invaluable for the diagnosis of pulmonary malignancies (both primary and metastatic), particularly given the small size of transbronchial and endobronchial biopsies and the increasing need to conserve tissue for molec ...
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Journal ArticleJ Environ Pathol Toxicol Oncol · 2015
We tested the postulate that iron homeostasis is altered among patients diagnosed to have asbestosis. Lung tissue from six individuals diagnosed to have had asbestosis at autopsy was stained for iron, ferritin, divalent metal transporter 1 (DMT1), and ferr ...
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Journal ArticleJ Thorac Oncol · September 2014
INTRODUCTION: The 2004 World Health Organization classification of lung cancer contained three major forms of non-small-cell lung cancer: squamous cell carcinoma (SqCC), adenocarcinoma (AdC), and large cell carcinoma. The goal of this study was first, to a ...
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Journal ArticleAm J Respir Cell Mol Biol · May 2014
Pneumococcal pneumonia is a leading cause of bacterial infection and death worldwide. Current diagnostic tests for detecting Streptococcus pneumoniae can be unreliable and can mislead clinical decision-making and treatment. To address this concern, we deve ...
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Journal ArticleInhal Toxicol · April 2014
As a result of the challenge of recent dust storms to public health, we tested the postulate that desert dust collected in the southwestern United States imparts a biological effect in respiratory epithelial cells and an animal model. Two samples of surfac ...
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Journal ArticlePart Fibre Toxicol · January 8, 2014
BACKGROUND: An abnormally high incidence of lung disease has been observed in the residents of Libby, Montana, which has been attributed to occupational and environmental exposure to fibrous amphiboles originating from a nearby contaminated vermiculite min ...
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Journal ArticleInhal Toxicol · January 2014
CONTEXT: A detailed evaluation of the correlation and linearity of industrial hygiene retrospective exposure assessment (REA) for cumulative asbestos exposure with asbestos lung burden analysis (LBA) has not been previously performed, but both methods are ...
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Journal ArticleTurk Toraks Dergisi · January 1, 2014
While interstitial lung disease (ILD) is common, less than five percent of diagnoses appear to be related to occupational and environmental exposures to particles and fibers; these injuries are most frequently recognized as pneumoconioses and hypersensitiv ...
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Chapter · January 1, 2014
Lung cancer is the most common malignancy worldwide and the most common cause of a cancer-related death. Tobacco smoking is the most important cause of lung cancer in most populations although occupational exposures cause an increased risk of lung cancer m ...
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Chapter · January 1, 2014
The development of techniques for assaying the mineral fiber content of tissues has provided the opportunity to correlate the occurrence of various fiber-related diseases with the cumulative fiber burdens in the target organ. Exposure to mineral fibers gen ...
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Chapter · January 1, 2014
The term pneumoconiosis dates to Zenker’s 1866 description of pulmonary disease processes related to the inhalation of dusts [1]. As some dust, including asbestos fibers, may be found in the lungs of virtually all adults from the general population, pneumo ...
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Book · January 1, 2014
The third edition of Pathology of Asbestos-Associated Diseases builds on the success of the previous editions by fully updating knowledge on diagnostic and epidemiologic aspects and presenting important new insights derived from new epidemiologic studies a ...
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Chapter · January 1, 2014
The development of techniques for assaying the mineral fiber content of tissues has provided the opportunity to correlate the occurrence of various fiber-related diseases with the cumulative fiber burdens in the target organ. Exposure to mineral fibers gen ...
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Chapter · January 1, 2014
During the past 50 years, the USA and other industrialized nations have witnessed a remarkable increase in mortality from carcinoma of the lung. Today, this disease is the number one cause of cancer mortality in the USA, accounting for more than 180,000 de ...
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Journal ArticleAcademic Forensic Pathology · December 1, 2013
Inhalation of asbestos fibers can cause a variety of conditions, benign and malignant, of the lungs and pleura. Illnesses and deaths in which asbestos may have had a causal or contributory role are often the subject of litigation. Forensic pathologists (FP ...
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Journal ArticleAcademic Forensic Pathology · December 1, 2013
Reports of workers stricken with lung disease sustained during the course of their employment date to antiquity. Despite stringent regulations to mitigate all manners of work place hazards, and the emergence of agencies and physicians engaged in the advanc ...
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Journal ArticleJ Cyst Fibros · July 2013
Oxidative stress participates in the pathophysiology of cystic fibrosis (CF). An underlying disruption in iron homeostasis can frequently be demonstrated in injuries and diseases associated with an oxidative stress. We tested the hypothesis that iron accum ...
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Journal ArticleArch Pathol Lab Med · May 2013
CONTEXT: Malignant mesothelioma (MM) is an uncommon tumor that can be difficult to diagnose. OBJECTIVE: To provide updated practical guidelines for the pathologic diagnosis of MM. DATA SOURCES: Pathologists involved in the International Mesothelioma Intere ...
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Journal ArticleArch Pathol Lab Med · May 2013
A new lung adenocarcinoma classification has been published by the International Association for the Study of Lung Cancer, the American Thoracic Society, and the European Respiratory Society. This new classification is needed to provide uniform terminology ...
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Journal ArticleArch Pathol Lab Med · May 2013
The new International Association for the Study of Lung Cancer/American Thoracic Society/European Respiratory Society lung adenocarcinoma classification provides, for the first time, standardized terminology for lung cancer diagnosis in small biopsies and ...
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Journal ArticleMod Pathol · December 2012
Histological subtyping of pulmonary adenocarcinoma has recently been updated based on predominant pattern, but data on reproducibility are required for validation. This study first assesses reproducibility in subtyping adenocarcinomas and then assesses fur ...
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Journal ArticlePathology Case Reviews · September 1, 2012
ABSTRACT: Sclerosing hemangioma of lung is an unusual neoplasm with distinctive morphological features. Although its histogenesis has been debated for decades, the current concept is that this is a tumor of cells with features most closely resembling type ...
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Journal ArticleJ Occup Environ Med · July 2012
OBJECTIVE: The biopersistence of refractory ceramic fiber (RCF) in human lung tissue is unknown and may contribute to an association between cumulative fiber exposure and radiographic changes. METHODS: Lung tissue fiber was analyzed for a case series of 10 ...
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Journal ArticleChest · June 2012
BACKGROUND: Reports of pulmonary fibrosis, emphysema, and, more recently, pulmonary alveolar proteinosis (PAP) in indium workers suggested that workplace exposure to indium compounds caused several different lung diseases. METHODS: To better understand the ...
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Chapter · January 1, 2012
Introduction Occupational lung disease is the most significant form of work-related illness in the United States in terms of its severity, frequency and cost to society. The US Department of Labor reported the occurrence of some 4.1 million workplace injur ...
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Journal ArticleAm J Respir Cell Mol Biol · January 2012
The mechanism for biological effects after exposure to particles is incompletely understood. One postulate proposed to explain biological effects after exposure to particles involves altered iron homeostasis in the host. The fibro-inflammatory properties o ...
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Journal ArticleAm J Surg Pathol · December 2011
We report 9 patients with pleural biopsies referred because of concern about infiltration of what appeared to be chest wall fat by pan-keratin-positive spindled cells, a finding that led to a consideration of desmoplastic mesothelioma. All patients showed ...
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Journal ArticleHum Pathol · November 2011
We report a case of a 56-year-old woman with endobronchial breast cancer metastasis of unusual histology. The patient presented with persistent cough, and a lesion was noted in the left mainstem bronchus on bronchoscopic examination. Biopsy revealed extens ...
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Journal ArticleInhal Toxicol · October 2011
OBJECTIVES: To investigate the impact of extreme data points in Finkelstein's 2009 findings of no association between lung levels of commercial and non-commercial amphiboles (principally tremolite as a marker for chrysotile asbestos) in brake repair worker ...
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Journal ArticleJ Thorac Oncol · February 2011
INTRODUCTION: Adenocarcinoma is the most common histologic type of lung cancer. To address advances in oncology, molecular biology, pathology, radiology, and surgery of lung adenocarcinoma, an international multidisciplinary classification was sponsored by ...
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Journal ArticleHuman Pathology · January 1, 2011
We report a case of a 56-year-old woman with endobronchial breast cancer metastasis of unusual histology. The patient presented with persistent cough, and a lesion was noted in the left mainstem bronchus on bronchoscopic examination. Biopsy revealed extens ...
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Journal ArticleToxicol Sci · December 2010
Abnormally high incidences of asbestos-related pulmonary disease have been reported in residents of Libby, Montana, because of occupational and environmental exposure to asbestos-contaminated vermiculite. The mechanism by which Libby amphibole (LA) causes ...
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Journal ArticleAm J Surg Pathol · November 2010
The presence of individual neuroendocrine cells in rare peripancreatic lymph nodes (LNs) suggests that neuroendocrine tumor or nested neuroendocrine cell proliferation can arise in situ from neuroendocrine cells native to any LN. However, it is very diffic ...
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Journal ArticleMod Pathol · March 2010
Sarcomatoid mesothelioma is the least common, but most aggressive of the three major histological types of mesotheliomas. This study comprises 326 cases of sarcomatoid mesotheliomas among 2000 consecutive malignant mesothelioma cases received in consultati ...
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Journal ArticleAm J Respir Crit Care Med · March 1, 2010
Two cases of pulmonary alveolar proteinosis, including one death, occurred in workers at a facility producing indium-tin oxide (ITO), a compound used in recent years to make flat panel displays. Both workers were exposed to airborne ITO dust and had indium ...
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Journal ArticleArch Pathol Lab Med · March 2010
CONTEXT: Asbestosis is one of many forms of diffuse interstitial pulmonary fibrosis. Its histologic diagnosis rests on the pattern of fibrosis and the presence of asbestos bodies by light microscopy in lung biopsies. OBJECTIVE: To determine the asbestos fi ...
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Journal ArticleArch Pathol Lab Med · March 2010
UNLABELLED: Asbestosis is defined as diffuse pulmonary fibrosis caused by the inhalation of excessive amounts of asbestos fibers. Pathologically, both pulmonary fibrosis of a particular pattern and evidence of excess asbestos in the lungs must be present. ...
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Journal ArticleArch Pathol Lab Med · August 2009
CONTEXT: Malignant mesothelioma (MM) is an uncommon tumor that can be difficult to diagnose. OBJECTIVE: To develop practical guidelines for the pathologic diagnosis of MM. DATA SOURCES: A pathology panel was convened at the International Mesothelioma Inter ...
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Journal Article · December 1, 2008
The term pneumoconiosis, originally coined by Zenker,1 literally means dust in the lung. Because various types of dust can be found in the lungs of virtually all adults, this term has come to mean the accumulation of abnormal amounts of dust in the lungs a ...
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Journal Article · December 1, 2008
The small conducting airways consist of the membranous bronchioles and the respiratory bronchioles. Bronchiolitis is a generic term for inflammatory and fibrotic injuries of these small airways. The histology of normal bronchioles is discussed in detail in ...
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Journal Article · December 1, 2008
The diagnosis of chronic obstructive pulmonary disease (COPD) is predicated upon the recognition of its two major forms: emphysema and chronic bronchitis. These distinct entities represent different manifestations of COPD, although they frequently coexist ...
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Journal ArticleMod Pathol · September 2008
Only a small number of malignant mesotheliomas with heterologous elements have been described. There are currently no criteria for diagnosis and little data regarding prognosis. We suggest that the term heterologous mesothelioma should be reserved for tumo ...
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Journal ArticleHum Pathol · March 2008
Asbestos exposure has resulted in a variety of diseases, including asbestosis, carcinoma of the lung (LC), pleural plaques, and malignant mesothelioma (MM). We hypothesized that there have been significant changes in the mineral fiber content of lung tissu ...
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Journal ArticleRespir Res · January 23, 2008
BACKGROUND: Lung injury caused by both inhaled dusts and infectious agents depends on increased availability of iron and metal-catalyzed oxidative stress. Because inhaled particles, such as silica, and certain infections can cause secondary pulmonary alveo ...
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Journal ArticleUltrastruct Pathol · 2008
This study reports changes in the frequency of detection of various asbestos fiber types between 1982 and 2005. Crocidolite is increasingly detected in U.S. mesothelioma patients. The percentage of crocidolite fibers detected in lung tissue has risen from ...
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Journal ArticleJ Thorac Oncol · November 2006
INTRODUCTION: Advances in the pathology and computed tomography (CT) of lung adenocarcinoma and bronchioloalveolar carcinoma (BAC) have demonstrated important new prognostic features that have led to changes in classification and diagnostic criteria. METHO ...
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Journal ArticleAnn Oncol · November 2006
Peritoneal mesothelioma is a rare cancer of the peritoneum with about 250 new cases diagnosed each year in the United States. It is the second most common site for mesothelioma development and accounts for 10-20% of all mesotheliomas diagnosed in the Unite ...
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Journal ArticleLung · 2006
A case of giant cell interstitial pneumonia (GIF) that occurred in association with exposure to nitrofurantoin is presented. While the diagnosis of GIP is confirmed by histopathology, this diagnosis can be supported by the findings of bizarre multinucleate ...
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Journal ArticleToxicol Pathol · 2006
Exposure to synthetic fibers with employment in textile mills can be associated with an elevated risk of interstitial lung disease (ILD). A mechanism of injury has not been determined. ILD can follow exposures to inorganic fibers (e.g., asbestos) which are ...
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Journal ArticleUltrastruct Pathol · 2006
The causative relationship between asbestos exposure and mesothelioma is firmly established. Some information in this regard comes from analysis of the fiber content of lung tissue by means of analytical electron microscopy. The author has had the opportun ...
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Journal ArticleArch Pathol Lab Med · November 2005
OBJECTIVE: We address the current classifications and new changes regarding uncommon primary pleural tumors. Primary pleural tumors are divided according to their behavior and are discussed separately as benign tumors, tumors of low malignant potential, an ...
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Journal ArticleAm J Surg Pathol · July 2005
Localized malignant mesotheliomas are uncommon sharply circumscribed tumors of the serosal membranes with the microscopic appearance of diffuse malignant mesothelioma but without any evidence of diffuse spread. Little is known about their behavior. We repo ...
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Journal ArticleJ Clin Oncol · May 10, 2005
PURPOSE: To review recent advances in pathology and computed tomography (CT) of lung adenocarcinoma and bronchioloalveolar carcinoma (BAC). METHODS: A pathology/CT review panel of pathologists and radiologists met during a November 2004 International Assoc ...
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Journal ArticleJ Heart Lung Transplant · May 2005
Intravenous injection of drugs that contain insoluble foreign material can lead to pulmonary embolization of the material and can have devastating results, including pulmonary hypertension and death. Most cases are detected after the onset of extensive, ir ...
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Journal ArticleAppl Immunohistochem Mol Morphol · March 2005
Of putative specific markers for diffuse malignant mesothelioma, nuclear staining with Zymed polyclonal calretinin antibody has shown the best specificity to date for epithelial diffuse malignant mesothelioma versus adenocarcinoma. We compared specificity ...
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Journal ArticleHum Pathol · December 2004
We defined mixed-dust pneumoconiosis (MDP) pathologically as a pneumoconiosis showing dust macules or mixed-dust fibrotic nodules (MDF), with or without silicotic nodules (SN), in an individual with a history of exposure to mixed dust. We defined the latte ...
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Journal ArticleArch Pathol Lab Med · May 2004
CONTEXT: The development of successful chemotherapeutic agents directed against the Kit receptor tyrosine kinase protein has generated intense interest in the Kit (CD117) immunoreactivity of various neoplasms. Immunoreactivity for Kit in small cell lung ca ...
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Journal ArticleToxicol Pathol · 2004
Exposures to fibers and particles can be associated with several different lung injuries including bronchitis, bronchiolitis, pneumonitis, pleuritis, pulmonary alveolar proteinosis, pneumoconiosis, mesotheliomas, and lung cancers. The mechanism of biologic ...
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Journal ArticleArch Pathol Lab Med · January 2004
BACKGROUND: Growth factors such as transforming growth factor alpha (TGF-alpha) and epidermal growth factor receptor (EGFR) play an important role in cell proliferation. The immunohistochemical expression of these factors has been extensively studied in ma ...
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Journal ArticleMod Pathol · November 2003
Chronic berylliosis is an uncommon disease that is caused by the inhalation of beryllium particles, dust, or fumes. The distinction between chronic berylliosis and sarcoidosis can be difficult both clinically and histologically, as both entities can have s ...
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Journal ArticleInd Health · October 2003
A remaining uncertainty in the U.S. cohort study of man-made vitreous fiber (MMVF) workers is whether asbestos exposure contributed to 10 questionable cases of mesothelioma. We report further details on one case from our previous mesothelioma investigation ...
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Journal ArticleHum Pathol · August 2003
We report on a deposition of oxalate crystals on ferruginous bodies after occupational exposure to asbestos demonstrated in 3 patients. We investigated the mechanism and possible significance of this deposition by testing the hypothesis that oxalate genera ...
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Journal ArticleAnn Occup Hyg · June 2003
OBJECTIVES: A large number of workers in the USA are exposed to chrysotile asbestos through brake repair, yet only a few cases of malignant mesothelioma (MM) have been described in this population. Epidemiologic and industrial hygiene studies have failed t ...
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Journal ArticleAm J Respir Crit Care Med · September 15, 2002
We report a sentinel case of acute eosinophilic pneumonia in a firefighter exposed to high concentrations of World Trade Center dust during the rescue effort from September 11 to 24. The firefighter presented with a Pa(O2) of 53 mm Hg and responded to oxyg ...
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Journal ArticleAnn Occup Hyg · July 2002
BACKGROUND: Exposure to chrysotile dust has been associated with the development of mesothelioma and recent studies have implicated contaminating tremolite fibers as the likely etiological factor. Tremolite also contaminates talc, the most common non-asbes ...
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Journal ArticleAm J Surg Pathol · March 2002
To evaluate the usefulness of determinations of telomerase activity for distinguishing malignant from benign mesothelial lesions, immunohistochemical (using a rabbit polyclonal antibody and the peroxidase method; n = 68) and in situ hybridization (using se ...
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ConferenceAnnals of Occupational Hygiene · January 1, 2002
Asbestos exposure is indisputably associated with the development of malignant mesothelioma (MM). However, relatively few studies have correlated the manner of exposure with asbestos fiber content and type. We report findings from 1445 MMs with known expos ...
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Journal ArticleUltrastruct Pathol · 2002
Asbestos exposure is indisputably associated with development of mesothelioma. However, relatively few studies have evaluated the type of occupational exposure in correlation with asbestos fiber content and type. This study reports findings in 1445 cases o ...
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Journal ArticleAm J Respir Crit Care Med · October 15, 2001
Epidemiological investigation has established an association between exposure to particulate matter (PM) and both human mortality and diverse indices of human morbidity. However, attributing adverse health effects of specific individuals to PM exposure in ...
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Journal ArticleAm J Surg Pathol · October 2001
Well-differentiated papillary mesothelioma is an unusual variant of epithelial mesothelioma considered to be of low malignant potential. The majority of previously reported cases developed in the peritoneum of young women without a history of asbestos expo ...
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Journal ArticleAm J Respir Cell Mol Biol · October 2001
Bacterial lipopolysaccharide (LPS) is a risk factor for exacerbation of asthma and causes airway inflammation. The aim of this study was to examine the effects of disruption of prostaglandin (PG) H synthase (PGHS)-1 and PGHS-2 genes on pulmonary responses ...
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Journal ArticleAJR Am J Roentgenol · December 2000
OBJECTIVE: The purpose of our study was to describe the clinical and radiologic features of epithelioid hemangioendothelioma of the pleura. CONCLUSION: Pleural epithelioid hemangioendothelioma is an uncommon malignancy that typically affects older men, who ...
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Journal ArticleEnviron Health Perspect · November 2000
Malignant mesothelioma is a highly aggressive tumor of the serous membranes, which in humans results from exposure to asbestos and asbestiform fibers. Although occupational malignant mesothelioma is still the most common form of this lesion, naturally cont ...
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Journal ArticleAm J Surg Pathol · September 2000
The separation of benign from malignant mesothelial proliferations has emerged as a major problem in the pathology of the serosal membranes. For both epithelial and spindle cell mesothelial processes, true stromal invasion is the most accurate indicator of ...
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Journal ArticleSarcoidosis Vasc Diffuse Lung Dis · June 2000
BACKGROUND: In many patients with sarcoidosis, the granulomas contain inclusion bodies within giant cells. Many giant cells contain crystalline oxalate that chemically coordinates iron on the surface of the crystal. If this iron is incompletely coordinated ...
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Journal ArticleAnn Occup Hyg · March 2000
The aim of this study was to investigate the asbestos content of lung tissue in a series of patients with lung cancer and some history of asbestos exposure. This information was then correlated with demographic information, occupational and smoking history ...
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Journal ArticleRadiographics · 2000
The solitary pulmonary nodule is a common radiologic abnormality that is often detected incidentally. Although most solitary pulmonary nodules have benign causes, many represent stage I lung cancers and must be distinguished from benign nodules in an exped ...
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Journal ArticleAm J Surg Pathol · December 1999
Flocking is a widely used industrial process in which short lengths of synthetic fibers are applied to backing fabric to produce plush material. In response to an apparent outbreak of interstitial lung disease in flock workers, the Centers for Disease Cont ...
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Journal ArticleJ Clin Invest · September 1999
To investigate the function of prostaglandin H synthase-1 and synthase-2 (PGHS-1 and PGHS-2) in the normal lung and in allergic lung responses, we examined allergen-induced pulmonary inflammation and airway hyperresponsiveness in wild-type mice and in PGHS ...
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Journal ArticleAJR Am J Roentgenol · May 1999
OBJECTIVE: We describe the chest radiographic and CT findings of pulmonary cholesterol granulomas in patients with pulmonary artery hypertension. CONCLUSION: Histopathologic evidence of cholesterol granulomas was found in five (25%) of 20 patients with sev ...
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Journal ArticleHum Pathol · December 1998
The distinction of malignant mesothelioma from tumors metastatic to the serosal membranes can often be made based on the results of histochemical or immunohistochemical studies. However, in some cases, these techniques are inadequate to make a firm diagnos ...
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Journal ArticleAm J Clin Pathol · August 1998
We studied 31 patients with fibrotic pleural lesions and classified them as desmoplastic malignant mesothelioma (DMM) or fibrous pleurisy (FP) using predetermined histologic criteria, including a paucicellular fibrotic pleural lesion with a storiform patte ...
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Journal ArticleChest · November 5, 1997
A 57-year-old man with a history of exposure to silica for 32 years presented with pleural thickening of the lower lobe of the left lung and a chronic right-sided pleural effusion without any radiographic evidence of parenchymal nodules in either lung. Lig ...
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Journal ArticleEnviron Health Perspect · September 1997
The pathogenesis of asbestos-induced pleural fibrosis is poorly understood. Moreover, there has been a long-standing controversy regarding the relative potential of different commercial types of asbestos to cause pleural disease. We postulated that inhaled ...
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Journal ArticleChest · August 1997
Lung transplantation has become a therapeutic option for end-stage pulmonary diseases, but after transplantation, infections and obliterative bronchiolitis (OB) are major causes of long-term morbidity and mortality. OB is a fibroproliferative disease, of p ...
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Journal ArticleMod Pathol · May 1997
A precursor lesion of pulmonary adenocarcinoma has not been clearly defined. Previous studies suggested that atypical alveolar cell hyperplasia (AACH) might represent such a precursor lesion. Most previous studies showed an association between AACH and ade ...
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Journal ArticleChest · May 1997
OBJECTIVE: This study sought to assess the fibrogenic and carcinogenic potential of erionite (a fibrous zeolite) on the pleural mesothelium of the Fischer 344 rat (n = 24). DESIGN: The study was designed to examine rat pleural mesothelial changes by three ...
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Journal ArticleJ Toxicol Environ Health · February 7, 1997
In vivo exposures to fibrous silicates are characterized by the formation of asbestos bodies. These structures consist of the original fiber with a coating of inexact composition, but it will include iron and protein. We tested the hypothesis that this iro ...
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Journal ArticleAnat Pathol · 1997
About 8% of our cases of mesothelioma occur in women, with a median age of 59 years. Our percentage is lower than other series reported in the literature because of the large number of occupationally exposed men referred to our laboratory. Tumor arose in t ...
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Journal ArticleAm J Respir Crit Care Med · November 1996
Previously, this laboratory developed a model of asbestos-induced pulmonary fibrogenesis in rats and mice after a brief (1 to 3-h) inhalation exposure. However, typical human environmental exposures would be repeated, although at lower concentrations than ...
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Journal ArticleLancet · July 13, 1996
BACKGROUND: In August, 1995, there was an outbreak in Taiwan of rapidly progressive respiratory distress associated with consumption of uncooked Sauropus androgynus, a vegetable with a claimed yet unconfirmed effect on weight control. We report on 23 patie ...
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Journal ArticleJ Immunol · June 15, 1996
Differential expression of PDGF receptor alpha and beta subunits controls the response of mesenchymal cells to the three PDGF isoforms (AA, AB, and BB). Cultured rat lung myofibroblasts (RLMF) possess abundant PDGF receptor-beta (PDGF-Rbeta) and little PDG ...
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Journal ArticleHum Pathol · June 1996
Pulmonary blastomas (PBs) are rare primary malignancies that include adult types: biphasic pulmonary blastoma (BPB) and well-differentiated fetal adenocarcinoma (WDFA); and childhood type: pleuropulmonary blastoma (PPB). Their pathogenesis and relationship ...
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Journal ArticleAm J Respir Crit Care Med · February 1996
The lower respiratory tract is protected against reactive oxygen species (ROS) by a complex antioxidant system. In the epithelial lining fluid (ELF), glutathione (L-alpha-glutamyl-L-cysteinylglycine, GSH) is essential for adequate protection of pneumocytes ...
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Journal ArticleRespiration · 1996
A case of pulmonary alveolar microlithiasis (PAM) is reported wherein total lung lavage was performed for relief of dyspnea. Characterization of the lavage material and examination of the microliths isolated from the lavage fluid confirmed previous reports ...
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Journal ArticleApplied Occupational and Environmental Hygiene · January 1, 1996
Inhalation of coal dust is associated with an accumulation of iron in the human lung. Collagen deposition in the lungs of coal miners can correlate with the concentration of tissue nonheme iron. Associations between the accumulation of this metal and fibro ...
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Journal ArticleMod Pathol · October 1995
Rare earth pneumoconiosis is an uncommonly reported disease caused by the inhalation of dust containing lanthanides, also known as rare earth metals, which are common industrial materials. The pathologic manifestations and natural history of this disorder ...
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Journal ArticleChest · October 1995
STUDY OBJECTIVE: Investigation of the behavior and treatment of the diffuse malignant pleural mesothelioma (MPM) is hindered by the lack of an accurate universally accepted staging system. To address this problem, the International Mesothelioma Interest Gr ...
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Journal ArticleMod Pathol · August 1995
Most malignant mesothelioma cases are associated with pulmonary asbestos body (AB) counts significantly greater than those of the general population. However, the question remains whether malignant mesothelioma cases associated with "normal" AB counts (i.e ...
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Journal ArticleAnn Occup Hyg · June 1995
Among 441 cases of malignant mesothelioma in the author's files, there were 324 for whom reliable information was available regarding the duration of exposure to asbestos. Included were 298 pleural and 26 peritoneal mesotheliomas. The mean duration of expo ...
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Journal ArticleAm J Respir Crit Care Med · March 1995
Diffuse panbronchiolitis (DBP) is characterized by chronic inflammation of the upper and lower respiratory tract. DPB has been found almost exclusively in oriental populations. We describe the occurrence of a case of DPB in an African American patient who ...
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Journal ArticleArch Pathol Lab Med · March 1995
The detectability of silica particles in ordinary histologic sections by means of polarizing light microscopy has been controversial. Through the application of both correlative light microscopy and scanning electron microscopy to different lung sections, ...
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Journal ArticleArch Pathol Lab Med · March 1995
A 27-year-old woman presented with fatigue and dyspnea and was found to have a 2 x 4-cm mass in the pericardium, which was resected. Histologic examination demonstrated a well-differentiated papillary mesothelioma of the pericardium. Postoperatively, she r ...
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Journal ArticlePediatr Pathol Lab Med · 1995
Pseudomonas aeruginosa has been recognized as a pathogen of major importance in the patient with cystic fibrosis (CF). However, no information is available regarding the histologic quantification of P. aeruginosa organisms in the CF tracheobronchial tree. ...
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Journal ArticleAmerican Journal of Respiratory and Critical Care Medicine · January 1, 1995
Diffuse panbronchiolitis (DBP) is characterized by chronic inflammation of the upper and lower respiratory tract. DPB has been found almost exclusively in oriental populations. We describe the occurrence of a case of DPB in an African American patient who ...
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Journal ArticleAm J Ind Med · December 1994
Tremolite is nearly ubiquitous and represents the most common amphibole fiber in the lungs of urbanites. Tremolite asbestos is not mined or used commercially but is a frequent contaminant of chrysotile asbestos, vermiculite, and talc. Therefore, individual ...
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Journal ArticleProceedings - Annual Meeting, Microscopy Society of America · December 1, 1994
Most medical microprobe analysis is conducted on insoluble particulates such as asbestos fibers in lung tissue. It is necessary to flash-freeze in order to preserve the integrity of electrolyte distributions at the subcellular and cellular level. It is als ...
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Journal ArticleEnviron Health Perspect · October 1994
The distribution of inhaled mineral fibers in the lung determines the site and severity of disease caused by the fibers. Some of our recent work has described the fate of inhaled asbestos fibers in rodents. After a brief inhalation exposure, asbestos fiber ...
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Journal ArticleAm J Respir Crit Care Med · August 1994
Female Fisher 344 rats (n = 25) were inoculated intrapleurally with a single 20-mg dose of (JM-100) fibrous glass. The mean length (2.2 microns) and width (0.15 microns) of the fibrous glass particles was within respirable range. Following inoculation, the ...
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Journal ArticleAm J Respir Cell Mol Biol · June 1994
Morphometric procedures were used to determine the number of cells, cell volume, cell diameter, and surface areas of the airways in human and rat lungs. Nuclear sizes of epithelial cells from human bronchi were significantly larger than other lung cell nuc ...
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Journal ArticleAm J Clin Pathol · February 1994
The nephrotic syndrome has long been recognized as a hypercoagulable state. Arterial thrombosis is a rare complication of the syndrome. Diuretics and steroids, standard treatment for exacerbations, have been implicated as contributing to the development of ...
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Journal ArticlePediatr Pathol · 1994
We report a unique case of coexisting exogenous lipoid pneumonia, endogenous lipoid pneumonia (ELP), and pulmonary alveolar proteinosis (PAP) in a 5-year-old patient with severe neurodevelopmental disease. The patient presented with gastroesophageal reflux ...
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Journal ArticleActa Cytol · 1994
We studied the asbestos content of bronchoalveolar lavage fluid (BALF) from 9 patients with asbestosis, 17 asbestos exposed but without asbestosis, 15 with idiopathic pulmonary fibrosis (IPF) and 9 nonexposed volunteers. The cellular lavage pellet was dige ...
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Journal ArticleAm Rev Respir Dis · May 1993
A protocol consisting of standard-dose adjuvant chemotherapy, high-dose combination alkylating agent chemotherapy, and autologous bone marrow transplant (ABMT) used at our institution for patients with primary breast cancer and extensive axillary lymph nod ...
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Journal ArticleAm J Ind Med · April 1993
Although the association between asbestos exposure and malignant mesothelioma is indisputable, controversy continues regarding the relative contribution of the various types of asbestos fibers to the development of mesothelioma. We examined the types of as ...
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Journal ArticleRadiographics · March 1993
There are several forms of emphysema that should be considered as distinct disease entities. No university accepted classification system of these forms exists, but correlations of autopsy findings in 1,823 cases over a 12-year period confirm that the radi ...
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Journal ArticleMod Pathol · September 1992
We objectively examined the extent of tumor necrosis by computer-assisted morphometry in 28 patients with surgically resected Stage I non-small cell carcinoma of lung. Fourteen of the 28 patients were long-term survivors (mean survival after diagnosis 94 m ...
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Journal ArticleEnviron Res · June 1992
We investigated the pulmonary deposition, clearance, and translocation of chrysotile asbestos in the context of our previously developed model of asbestosis in the rat. Adult male rats were exposed for 3 hr to an aerosol of chrysotile asbestos. Subgroups w ...
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Journal ArticleAm Rev Respir Dis · June 1992
Tissue injury by Aspergillus niger infection is associated with the deposition of calcium oxalate crystals. Oxalate is recognized to function as a ligand for numerous metal cations and will react with ferric ion to form a coordination complex. We describe ...
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Journal ArticleCancer · May 15, 1992
To evaluate the utility of nuclear morphometry as a prognostic indicator in lung cancer, 5-year follow-up information was obtained in 46 cases of surgically resected Stage I non-small cell lung cancer (NSCLC). Nuclear area, perimeter, major diameter, minor ...
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Journal ArticleSemin Diagn Pathol · May 1992
The vast majority of patients with malignant mesothelioma of the pleura or peritoneum have an abnormal tissue asbestos content as assessed by digestion techniques. These procedures allow for the quantification of asbestos bodies, as well as numbers and typ ...
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Journal ArticlePediatr Pathol · 1992
Benign pulmonary diseases that have been associated with the accumulation of endogenous lipids within the alveoli, bronchioles, and interstitial tissues include endogenous lipoid pneumonia (ELP), pulmonary alveolar proteinosis (PAP), pulmonary interstitial ...
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Journal ArticleAm J Ind Med · 1992
We conducted a clinical, environmental, pathologic, and mineral lung burden investigation of a 61-year-old man with malignant mesothelioma. For 35 years, up until three weeks prior to pneumonectomy, the patient made asbestos soldering forms at a costume je ...
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Journal ArticleAnn N Y Acad Sci · December 31, 1991
Analysis of tissue mineral fiber content in patients with environmental exposures has seldom been reported in the past. Our studies of six household contacts of asbestos workers indicate that these individuals often have pulmonary asbestos concentrations s ...
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Journal ArticleMod Pathol · May 1991
The experience of the US/Canadian Mesothelioma Panel with its first 200 cases is reviewed. The light microscopic diagnosis, histochemical findings, immunohistochemical findings, and electron microscopic features of malignant mesotheliomas are reviewed in t ...
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Journal ArticleScanning Microsc · March 1991
The mineral fiber content of lung parenchyma in 24 cases of diffuse pulmonary fibrosis of unknown cause was determined by scanning electron microscopy and compared with that of 36 autopsy cases of histologically confirmed asbestosis and 20 autopsy cases of ...
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Journal ArticleEnviron Health Perspect · August 1990
Inhalation of asbestos fibers results in a variety of neoplastic and nonneoplastic diseases of the respiratory tract. Some of these diseases, such as asbestosis, generally occur after prolonged and intensive exposure to asbestos, whereas others, such as pl ...
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Journal ArticleMod Pathol · July 1990
Asbestos bodies (AB) have long been recognized in light microscopic (LM) sections of pulmonary hilar lymph nodes (LN) from patients with asbestos-related diseases, but the presence of AB on LM has not been correlated with the lung AB burden. The purpose of ...
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Journal ArticleAm J Clin Pathol · November 1989
A sizable proportion of pleural malignant mesotheliomas are sarcomatoid (22%) or biphasic (24%) and may need to be distinguished from other spindle cell neoplasms that occur as primary or metastatic tumors of the chest wall or lungs. To determine the utili ...
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Journal ArticleAJR Am J Roentgenol · November 1989
Lymphangioleiomyomatosis, a rare disease occurring in women of childbearing age, is characterized by proliferation of smooth muscle in pulmonary lymphatic channels and mediastinal and abdominal lymph nodes. Chest radiographs typically reveal interstitial d ...
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Journal ArticleHum Pathol · September 1989
Intracytoplasmic globules have been described in a variety of neoplastic and nonneoplastic conditions, but remain poorly defined. In a review of 100 consecutive cases of lung carcinomas, six cases of mucin-positive adenocarcinoma demonstrated eosinophilic ...
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Journal ArticleJ Submicrosc Cytol Pathol · July 1989
Cystic fibrosis (CF) is the most common lethal genetic disease among Caucasians, with much of the morbidity and most of the mortality related to pulmonary complications. The underlying defect in this disease has yet to be precisely defined, so it is somewh ...
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Journal ArticleEnviron Health Perspect · May 1989
Using data from published studies, lung concentrations of nickel were compare for persons with and without occupational exposure to nickel. As expected, the concentrations were much higher for persons with occupational exposure. To estimate the effects of ...
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Journal ArticleAm J Clin Pathol · April 1989
Dendriform pulmonary ossification (DPO) is a rare condition characterized by branching bony spicules found in association with pulmonary fibrosis. The authors report two cases, the first of which occurred in a patient with acute myeloblastic leukemia and w ...
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Journal ArticleJ Comput Assist Tomogr · 1989
Computed tomography provides excellent visualization of the trachea, but there have been only limited descriptions of variations in tracheal shape. The normal tracheal cartilage is U shaped. Lunate shaped trachea is uncommon and is characterized by a coron ...
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Journal ArticleCan Assoc Radiol J · December 1988
The radiologic features of intralobar pulmonary sequestration (ILPS) have been described and include the identification of a feeding systemic artery on computerized tomography. Radiographically demonstrated calcification is rare and has been described only ...
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Journal ArticleChest · October 1988
A 70-year-old woman with nodular, poorly differentiated lymphocytic lymphoma is the third reported patient with invasive pulmonary aspergillosis caused by Aspergillus terreus. This case differs from the two previously reported in that neither neutropenia n ...
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Journal ArticleMod Pathol · July 1988
In a previous study of 91 consecutive lung cancer cases, we reported that tumor stage was the only significant predictor of survival, with all 5-yr survivors having Stage I disease. Approximately half of the 47 Stage I cases survived 5 yr, so the present s ...
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Journal ArticleAJR Am J Roentgenol · July 1988
The secondary pulmonary lobule is a unit of lung supplied by three to five terminal bronchioles and contained by fibrous septa. High-resolution CT is able to show features of the secondary lobule, including interlobular septa, terminal bronchioles, and pul ...
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Journal ArticleAm Rev Respir Dis · May 1988
A 61-yr-old woman was evaluated for dyspnea on exertion and interstitial lung disease. A unique association between inhaled particulates from wood burning and interstitial pneumonitis was demonstrated. Bronchoalveolar lavage revealed numerous particulates ...
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Journal ArticleHum Pathol · February 1988
Eight primary carcinomas of the lung with a prominent spindle-cell sarcomatoid component were studied by immunocytochemical staining and electron microscopy. The eight tumors were indistinguishable by conventional light microscopy, with the exception of on ...
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Journal ArticleActa Cytol · 1988
A case of biopsy-proven giant cell interstitial pneumonia in a patient with occupational exposure to hard-metal dust is reported. Bronchial washings performed several days prior to open-lung biopsy yielded an almost exclusive population of nonpigmented alv ...
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Journal ArticleArch Pathol Lab Med · January 1988
Pleural amyloidosis has been reported rarely, and the diagnosis of this disease by Cope needle biopsy has, to our knowledge, been reported only once previously. We report two patients in whom the diagnosis of pleural amyloidosis was made by biopsy specimen ...
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Journal ArticleMod Pathol · January 1988
Pulmonary emphysema is an extraordinarily prevalent disease, especially among men, and is found in about 40% of all autopsies at this Veterans Medical Center. However, in the great majority of cases, it is an incidental finding, and the individual has died ...
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Journal ArticleChest · September 1987
We report the occurrence of an unusual variant of congenital adenomatoid malformation (CAM) of the lung in a 16-year-old male. Abundant cartilage in the walls of malformed bronchioles, an extremely rare finding in CAM, distinguishes this lesion from the us ...
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Journal ArticleCancer · August 1, 1987
Although histologic heterogeneity of lung cancer is well recognized, little information is available related to possible effects of this heterogeneity on prognosis. We collected 100 consecutive lung cancer cases, including 35 autopsies and 65 surgical rese ...
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Journal ArticleHum Pathol · July 1987
Five cases of an uncommon esophageal tumor consisting of a mucosal squamous cell carcinoma that surrounds a polypoid mass of spindle cells were examined. The spindle cell component was composed of elongated cells with blunt nuclei, admixed with multinuclea ...
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Journal ArticleEnviron Res · February 1987
Previous studies in this laboratory have demonstrated fiber clearance and dimensional changes in chrysotile asbestos using a rat inhalational model of short-term exposure. The purpose of the present study was to determine whether or not similar changes occ ...
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Journal ArticleLab Invest · December 1986
The degree to which various anatomic components of the lung influence the distribution of inhaled particles is not entirely clear. Therefore, we have studied the role intrapulmonary airways play in the localization of respired asbestos fibers and have corr ...
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Journal ArticleAm J Clin Pathol · August 1986
A 28-year-old woman had a left pleural malignant mesothelioma develop, which resulted in her death. At age four, she had undergone a left nephrectomy for Wilms' tumor and had received radiation therapy to the left renal fossa and to the right lung, the lat ...
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Journal ArticleRadiology · April 1986
Over a 5-year period, 25 patients who had undergone chest computed tomography (CT) died and were autopsied. Their lungs were fixed in the inflated state and were assessed for the presence and severity of centrilobular emphysema (CLE). Three radiologists in ...
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Journal ArticleAm J Pathol · February 1986
The correct distinction between malignant mesothelioma of the pleura and adenocarcinoma of the lung has become increasingly complex, with a variety of histochemical, immunohistochemical, and ultrastructural studies to be performed on biopsy material. The r ...
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Journal ArticleBr J Ind Med · January 1986
Diseases associated with asbestos exposure include asbestosis, malignant mesothelioma, carcinoma of the lung, and parietal pleural plaques. In this study the asbestos content of lung tissue was examined in groups of cases representing each of these disease ...
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Journal ArticleActa Cytol · 1986
We studied the asbestos body (AB) content of bronchoalveolar lavage fluid from 20 patients with a history of occupational asbestos exposure, 31 patients with sarcoidosis and 5 patients with idiopathic pulmonary fibrosis. The cellular lavage pellet was dige ...
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Journal ArticleArch Pathol Lab Med · November 1985
Calcification has long been a determinant in the radiologic distinction of a benign pulmonary mass. However, rare examples of calcification without ossification in pulmonary adenocarcinoma and ossification in the bronchial carcinoid have led some investiga ...
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Journal ArticleHum Pathol · November 1985
The subserosal stroma of hernia sacs consistently contains birefringent particulate material, in amounts greater than those observed in other intra-abdominal organs. The major component of this material was shown in the present study to be talc; thus, it c ...
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Journal ArticleHum Pathol · July 1985
A mathematical model for predicting the concentration (Nv) of asbestos bodies (AB) in human tissue from the count (No) of these bodies in planar tissue sections is presented. The result is the equation Nv = No/[0.54 X A X (La + t)], giving the concentratio ...
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Journal ArticleInvest Radiol · July 1985
A case of chondrosarcoma arising from the right anterior second rib in an 84-year-old man is described. Radiographic features include amorphous calcification within a chest wall mass. CT findings include calcification and necrosis within the 8 X 8 X 10 cm ...
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Journal ArticleHum Pathol · June 1985
The heterogeneity of lung carcinomas was recognized in the past, but few previous studies attempted to quantitate this heterogeneity. In the present study 100 consecutive cases of lung carcinoma (65 surgical resections and 35 autopsies) were collected, and ...
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Journal ArticleScand J Work Environ Health · April 1985
In order to compare methods of counting asbestos fibers in lung tissue, seven laboratories participated in an interlaboratory trial in which tissue samples from five human lungs were analyzed. In some laboratories, fiber concentrations were assessed with t ...
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Journal ArticleScan Electron Microsc · 1985
This tutorial paper reviews the literature on the application of microprobe analysis to practical problems in diagnostic human pathology. The goal is to allow the reader ready access to the literature on specific clinical problems. Specimen preparation and ...
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Journal ArticlePediatr Pathol · 1985
Despite infrequent respiratory symptoms, histopathologic changes were identified in the lungs of 15 of 16 children dying of Rocky Mountain spotted fever (RMSF). Gross examination demonstrated increased lung weight, edema, congestion, focal hemorrhage, and ...
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Journal ArticleChest · November 1984
An investigation was made to correlate autopsy and roentgenographic findings of pleural plaques with occupational exposure to asbestos and occurrence of respiratory tract tumors. Of the 434 autopsies performed over a 2 1/2 year period, 25 (5.8 percent) had ...
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Journal ArticleEnviron Health Perspect · June 1984
The recent technological revolution in the field of imaging techniques has provided pathologists and toxicologists with an expanding repertoire of analytical techniques for studying the interaction between the lung and the various exogenous materials to wh ...
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Journal ArticleExp Lung Res · 1984
Previous studies from this laboratory have demonstrated that in rats exposed briefly to aerosolized chrysotile asbestos, fibers initially deposited in the distal lung impact primarily at bifurcations of alveolar ducts. Subsequently, there is a progressive ...
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Journal ArticleActa Cytol · 1984
Asbestos bodies, which are the hallmark of exposure to asbestos, were identified in cytologic preparations from fine needle aspirates of the lung in two individuals, one with considerable occupational exposure to asbestos and one for whom no source of asbe ...
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Journal ArticleUltrastruct Pathol · 1984
We present a unique case of pulmonary blastoma and describe its histology and ultrastructure. The stromal component exhibited bizarre multinucleated giant cells containing previously undescribed granules. These membrane-limited granules were eosinophilic, ...
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Journal ArticleHum Pathol · April 1983
Utilization of tissue digestion techniques has demonstrated the presence of large numbers of asbestos bodies within lungs of persons after occupational exposure to asbestos, and smaller numbers in the vast majority of persons with no identifiable exposure. ...
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Journal ArticleRadiology · February 1983
Single photon emission computed tomography (SPECT) allows separation of radionuclide activity in front of and behind the area of interest and results in more contrast than can be achieved using conventional gamma camera imaging. To determine if this improv ...
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Journal ArticleCancer · December 1, 1982
Malignant mesotheliomas of the pleura and peritoneum are well-recognized risks of asbestos exposure. We determined the asbestos body content of the lungs from 24 cases of malignant mesothelioma (19 pleural, five peritoneal) and compared such to the content ...
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Journal ArticleAm J Med Technol · November 1982
Immunocompromised patients require rapid diagnosis of infectious conditions, if treatment is to be effective. This paper describes rapid techniques for the identification of pathogens from transbronchial and other biopsy specimens. Included are rapid proce ...
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Journal ArticleCancer · January 1, 1982
Out of a total of 185 cases of acute leukemia at our institution from 1967 to 1978, fifteen cases (8.1%) were identified as erythroleukemia or erythremic myelosis. The symptoms at presentation were often related to anemia (10/15 cases); the presenting hemo ...
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Journal ArticleCancer · September 1, 1981
A total of 134 cases of erythroleukemia (119 from the literature and 15 of the authors' patients) were reviewed in an attempt to correlate survival with age, sex, hepatomegaly, splenomegaly, lymphadenopathy, infection, or hemorrhagic complications at initi ...
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Journal ArticleAm J Clin Pathol · April 1981
Percutaneous needle biopsy specimens of the liver from three elderly persons (aged 77, 71, and 66) demonstrated eosinophilic intracytoplasmic globules within hepatocytes, particularly in the periportal and periseptal areas. These globules were periodic aci ...
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Journal ArticleAm Rev Respir Dis · December 1980
The asbestos (ferruginous) body content of lung tissues was compared to the number of asbestos bodies (AB) in sputum from 6 former amosite asbestos workers. Lung tissue was obtained at autopsy (5 subjects) and lobectomy (1 subject), and AB content was dete ...
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Journal ArticleArch Otolaryngol · September 1980
Occupational exposure to asbestos has been epidemiologically associated with carcinoma of the larynx; however, no search for or quantitation of laryngeal asbestos bodies has been performed. This report concerns an autopsy study of five patients with occupa ...
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Journal ArticleAm J Clin Pathol · April 1980
The Tyler Asbestos Workers Program is a continuing study of 1,105 former amosite asbestos workers. This report includes a study of six former workers, five of whom died and had autopsies, and one who underwent a lobectomy. Five of these men were exposed to ...
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Journal ArticleCancer Lett · April 1980
Phagocytosis of asbestos bodies by human free alveolar macrophages (FAMs) was documented employing light microscopy. This process was more carefully studied utilizing scanning electron microscopy (SEM) which demonstrated morphological and surface membrane ...
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Journal ArticleCancer Lett · April 1980
Asbestos bodies represent the product of the macrophage's attempt to detoxify inhaled asbestos fibers. The process of asbestos body maturation was examined by scanning electron microscopy of material isolated from lungs of former asbestos workers. The resu ...
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Journal ArticleCancer · March 1, 1980
A case of congenital generalized fibromatosis in a black male infant with involvement of lungs, subcutaneous tissue, pancreas, adrenal, lymph nodes, and bone is described. Fifteen prior cases with pulmonary involvement are reviewed, emphasizing the poor pr ...
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Journal ArticleAm J Clin Pathol · June 1979
A case of primary histiocytic lymphoma involving the left temporal lobe and hypothalamus is presented. This lesion was associated with a pituitary microadenoma shown immunohistochemically to contain prolactin and with lactational changes in the breasts. Th ...
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Journal ArticleCancer · June 1979
Thyroid neoplasms occurred in two patients 14 and 18 years after treatment with radiation for medulloblastoma. One patient has a papillary cancer and the other patient had multiple adenomas and a Hurthle cell adenoma. In addition, the latter case had foci ...
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Journal ArticleHum Pathol · May 1979
A case of a primary carcinoid islet cell tumor of the duodenum is reported, demonstrated by histochemistry, electron microscopy, and immunofluorescence to be composed of alpha cells containing glucagon-like material. The patient was found on admission to h ...
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