Journal ArticleCancer · August 25, 2003
BACKGROUND: Mesenchymal chondrosarcoma (MC) is an infrequent neoplasm, representing approximately 1% of all chondrosarcomas. Cytologic descriptions of MCs have been confined to rare case reports. In the current report, the authors describe their experience ...
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Journal ArticleDiagn Cytopathol · December 2002
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Fine-needle aspiration (FNA) is a reliable, safe, and cost-effective procedure with a well-established role in the diagnosis of various solid tissue neoplasms. The role of FNA in the diagnosis of primary bone tumors, including osteosarcoma (OGS), is contro ...
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Journal ArticleCancer · June 25, 2002
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BACKGROUND: The cytologic diagnosis of joint and articular surface-based lesions traditionally has been accomplished by examination of fluids or effusions. Although exfoliative cytology remains an accurate diagnostic test, not all joint-based lesions will ...
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Journal ArticleDiagn Cytopathol · May 2001
A 25-yr-old male presented with a cerebellar mass, underwent a suboccipital craniotomy, and was diagnosed with medulloblastoma. Six months later he developed a large mass in the right iliac crest. Fine-needle aspiration biopsy (FNAB) confirmed the diagnosi ...
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Journal ArticleDiagn Cytopathol · January 2001
Although fine-needle aspiration (FNA) is accepted as the method of choice for the initial evaluation of lymph nodes for metastatic carcinomas, its utility as the initial diagnostic procedure for hematopoietic processes is less established. We review our ex ...
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Journal ArticleDiagn Cytopathol · January 2001
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Pseudosarcomatous lesions are benign neoplasms of the musculoskeletal system that are likely to be misdiagnosed as malignant, based on clinical and histologic features. These include soft-tissue "tumors" considered reactive or reparative lesions such as no ...
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Journal ArticleActa Cytol · 2001
BACKGROUND: Mucinous cystadenocarcinoma of the lung is an uncommon tumor. Because it contains relatively few neoplastic cells relative to the amount of mucin produced, diagnosis of this entity, particularly on small specimens, is exceedingly difficult. CAS ...
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Journal ArticleDiagn Cytopathol · July 2000
A 51-yr-old male presented with an 8-mo history of lower back pain. Computerized axial tomography (CT) and magnetic resonance imaging (MRI) studies showed a 3.5 X 3.0 cm sacral mass within the spinal canal in the region of the left S2 nerve root. A fine-ne ...
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Journal ArticleActa Cytol · 2000
OBJECTIVE: To describe three cases of sebaceous carcinoma metastatic to regional lymph nodes diagnosed by fine needle aspiration (FNA). STUDY DESIGN: FNA was performed using standard techniques. A portion of each specimen was stained with Diff-Quick (Dade, ...
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Journal ArticleActa Cytol · 2000
OBJECTIVE: To evaluate fluorescence in situ hybridization (FISH) for the detection of trisomy 12 in archival cytologic specimens of chronic lymphocytic leukemia/small lymphocytic lymphoma. STUDY DESIGN: The cytopathology database was searched for all cases ...
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Journal ArticleAm J Clin Pathol · December 1999
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We rescreened Papanicolaou smear slides from 40,245 women, which had been examined by 81 cytology screeners, scored the screeners' work performance, and compared these scores with the results of the screeners' performance on glass slide and computer-based ...
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Journal ArticleDiagn Cytopathol · September 1999
We present the fine-needle aspiration (FNA) findings of 4 cases of anaplastic (Ki-1) large-cell lymphoma (ALCL). A primary diagnosis of ALCL was made on FNA material in 2 cases, of which one was a multifocal osseous Ki-1 lymphoma. In the other 2 patients w ...
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Journal ArticleAJR Am J Roentgenol · August 1999
OBJECTIVE: Our purpose was to determine the outcome of patients in whom the results of imaging-guided biopsies were indeterminate and to examine factors that may affect outcome. MATERIALS AND METHODS: During a 25-month period, 619 consecutive imaging-guide ...
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Journal ArticleDiagn Cytopathol · August 1999
Cytomorphology in conjunction with immunophenotypic characterization is becoming increasingly used for the primary diagnosis of non-Hodgkin's lymphomas (NHL). This combination is especially advantageous for the diagnosis of intra-abdominal and intrathoraci ...
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Journal ArticleDiagn Cytopathol · July 1999
Idiopathic retroperitoneal fibrosis (IRF) is an inflammatory and fibrosing process that can be complicated by periureteral encasement, ureteral obstruction, and subsequent renal failure if left untreated. Unfortunately, treatment is often delayed due to th ...
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Journal ArticleCancer · June 25, 1999
BACKGROUND: Fiberoptic bronchoscopy is the most common modality used to diagnose endobronchial carcinoma. The authors prospectively compared the sensitivity of endobronchial needle aspiration (EBNA) and immediate cytologic assessment with bronchial biopsy ...
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Journal ArticleDiagn Cytopathol · May 1999
The term "ancient" schwannoma was proposed for a group of neural tumors showing degenerative changes and marked nuclear atypia. Prior to the realization that the observed atypia was a regressive phenomenon, many of these lesions were erroneously diagnosed ...
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Journal ArticleAJR Am J Roentgenol · April 1999
OBJECTIVE: The purpose of this study is to determine the safety and effectiveness of percutaneous imaging-guided biopsy in the diagnosis of focal splenic lesions. MATERIALS AND METHODS: From May 1995 to November 1997, 20 imaging-guided biopsies of focal sp ...
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Journal ArticleDiagn Cytopathol · February 1999
We describe a patient who developed granulocytic sarcomas of the mesentery and breast approximately 4 yrs following an allogenic bone marrow transplantation for acute myeloblastic leukemia. The diagnosis was made by a combination of fine-needle aspiration ...
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Journal ArticleActa Cytol · 1999
OBJECTIVE: To describe the cytomorphologic features of benign granular cell tumor (GCT) on fine needle aspiration (FNA) biopsy and discuss the differential diagnosis. STUDY DESIGN: We reviewed three fine needle aspirates of surgically confirmed benign GCT. ...
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Journal ArticleActa Cytol · 1999
BACKGROUND: Goblet cells in the lower respiratory tract are metaplastic bronchial epithelial cells usually associated with asthma or chronic bronchitis. Goblet cells acquire their name by a tendency to distend with mucus, with subsequent distortion in cell ...
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Journal ArticleActa Cytol · 1999
OBJECTIVE: To review the cytologic findings of vitreous specimens and propose a simplified approach to them. STUDY DESIGN: Seventy-four vitreous specimens from 60 patients obtained either during a pars plana vitrectomy or by vitreous aspiration were review ...
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Journal ArticleDiagn Cytopathol · January 1999
The cytomorphologic features of 13 neural lesions sampled by fine-needle aspiration (FNA) are reviewed. The frequencies at which various architectural features including Verocay bodies, filamentous background, and vascular arcades were present was recorded ...
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Journal ArticleHead Neck · January 1999
BACKGROUND: Neuroendocrine tumors of the head and neck region may present problems in diagnosis. Middle ear carcinoid is a rare, recently recognized tumor, which to date has not been reported to metastasize. METHODS: We report the case of a 64-year-old man ...
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Journal ArticleDiagn Cytopathol · December 1998
Pulmonary lymphangioleiomyomatosis (PLAM) is a rare disease of undetermined cause that almost exclusively occurs in women of child-bearing age and is characterized by distinct clinical, radiologic, and pathologic findings. PLAM is usually fatal unless trea ...
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Journal ArticleDiagn Cytopathol · November 1998
Chordomas are relatively rare neoplasms occurring at both ends of a neuro axis. The majority follow an indolent course of multiple local recurrences, ultimately leading to the patient's death. Rare examples have been associated with sarcomatous components, ...
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Journal ArticleDiagn Cytopathol · October 1998
Hemangiomas are common vascular neoplasms which are being radiographically detected and biopsied with increasing frequency during the workup of patients with malignant disease. The increasing confidence of radiologists in biopsying these lesions is in cont ...
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Journal ArticleAm J Clin Pathol · April 1998
Gastrointestinal stromal tumors are a group of neoplasms encompassing leiomyoma, leiomyosarcoma, and an epithelioid variant of leiomyosarcoma, as well as lesions expressing neural differentiation. These neoplasms are rare and account for 1% of all gastroin ...
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Journal ArticleActa Cytol · 1998
OBJECTIVE: To perform a cytologic examination of urine from patients with interstitial cystitis (IC). STUDY DESIGN: Patients included in this study fit the definition of IC established by the National Institute of Arthritis, Diabetes, Digestive and Kidney ...
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Journal ArticleActa Cytol · 1998
BACKGROUND: Osteogenic sarcoma (OGS) is a relatively rare, highly malignant neoplasm of bone with a tendency to metastasize to the lung. Resection of pulmonary metastases in selected instances can increase survival and likelihood of a cure. To date, fine n ...
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Journal ArticleDiagn Cytopathol · September 1997
The epithelioid variant of malignant peripheral nerve sheath tumor (MPNST), also known as malignant epithelioid schwannoma, is a relatively rare and recently characterized clinicopathologic entity. The epithelioid variant of MPNST shares many clinical feat ...
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Journal ArticleDiagn Cytopathol · September 1997
The recognition of intramammary lymphoid proliferations is important because smears of these proliferations would be judged as insufficient by several of the published criteria for specimen adequacy. Alternatively, some might be confused with medullary car ...
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Journal ArticleDiagn Cytopathol · September 1997
Fine-needle aspiration (FNA) is an accepted technique for the preoperative diagnosis of salivary gland nodules. The majority of salivary gland nodules are pleomorphic adenomas and offer little difficulty in diagnosis. Most diagnostically difficult lesions ...
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Journal ArticleDiagn Cytopathol · May 1997
Aggressive angiomyxomas are uncommon but distinct soft-tissue neoplasms occurring predominantly in the pelvis and peritoneum of females, but they have occasionally been reported in association with inguinal hernias in males. Histologically, these neoplasms ...
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Journal ArticleJ Surg Oncol · April 1997
BACKGROUND AND OBJECTIVE: Intratumoral heterogeneity for prognostic factors (ploidy, proliferation, hormone receptor positivity) has been demonstrated in primary breast carcinoma by both flow cytometric and image analysis methods. Previously, heterogeneity ...
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Journal ArticleDiagn Cytopathol · April 1997
Tenosynovial giant cell tumor is a relatively common benign proliferation affecting the articular and periarticular soft tissues. Cytologic findings on smears obtained by fine-needle aspiration are rather characteristic and include a mixture of oval or pol ...
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Journal ArticleRadiology · April 1997
Fine-needle aspiration (FNA) is increasing in popularity as a means of diagnosing mass lesions in intraabdominal organs. With use of radiologic guidance for needle placement, this technique is an effective way to obtain diagnostic material. In selected ins ...
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Journal ArticleActa Cytol · 1997
OBJECTIVE: To evaluate the efficacy of endoscopic brush cytology in diagnosing transitional cell carcinoma of the upper urinary tract. STUDY DESIGN: Sixty-three endoscopic brush cytology specimens from 48 patients were compared with corresponding cytologic ...
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Journal ArticleDiagn Cytopathol · December 1996
Inflammatory carcinoma of the breast is an uncommon clinicopathologic entity which is characterized by a distinctive clinical appearance and poor prognosis. Histopathologically, it is characterized by plugging of dermal lymphatics with tumor emboli. Becaus ...
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Journal ArticleDiagn Cytopathol · December 1996
Ganglion cyst is a relatively common lesion resulting from mucoid, cystic degeneration of soft tissues adjacent to a joint space. Aspiration of cyst contents has been increasingly advocated as a diagnostic and, in some instances, therapeutic modality. We r ...
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Journal ArticleDiagn Cytopathol · December 1996
A spectrum of neoplastic and non-neoplastic lesions of the salivary glands may contain squamous cells. These include chronic sialadenitis, lymphoepithelial cyst, pleomorphic adenoma, Warthin's tumor, mucoepidermoid carcinoma, and squamous cell carcinoma. T ...
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Journal ArticleDiagn Cytopathol · September 1996
Failure to diagnose breast carcinoma by fine-needle aspiration (FNA) is a major obstacle to expanded use of that technique. While the majority of false negative diagnoses are due to inadequate sampling and insufficient specimens, a significant minority of ...
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Journal ArticleAm J Clin Pathol · September 1996
An effective, prospective, computer-guided method of correlation is reported. The mechanism for identification of cases, comparison of diagnoses, and reconciliation of discrepancies are explained. The results are similar to prior, retrospective, correlatio ...
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Journal ArticleDiagn Cytopathol · August 1996
Primary carcinoma of the gallbladder is a rare neoplasm that is frequently difficult to diagnose preoperatively. The obstacles to diagnosis include vague symptoms and the relative inaccessibility of the gallbladder and cystic duct to biopsy. Cytological de ...
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Journal ArticleDiagn Cytopathol · March 1996
Cardiac myxomas are rare neoplasms usually diagnosed by echocardiography. Preoperative tissue diagnosis is usually not obtained because of the location of these neoplasms. Their cytologic appearance has only been reported from touch imprints of operative s ...
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Journal ArticleAm J Clin Pathol · February 1996
A newly recognized distinctive fibrous soft tissue lesion called "calcifying fibrous pseudotumor" (CFPT) was recently described in the soft tissues of the extremities, trunk, scrotum, groin, neck, or axilla. To date, CFPT has not been described in the pleu ...
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Journal ArticleNeurosurgery · November 1995
A 47-year-old woman with left ear pain and hearing loss was diagnosed with a glomus jugulare tumor for which she received radiation therapy as the primary treatment. Over a period of 20 years, she developed temporal bone necrosis, brain stem calcifications ...
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Journal ArticleDiagn Cytopathol · March 1995
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Previously, pancreatic mucinous cystic tumors were classified as either benign (cystadenoma) or malignant (cystadenocarcinoma). Descriptions of the fine-needle aspiration (FNA) findings of these neoplasms have heretofore emphasized malignant cytologic char ...
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Journal ArticleDiagn Cytopathol · March 1995
Adenoid squamous-cell carcinoma (ASCCa) is an uncommon cancer which occurs most frequently in the skin of the head and neck region of elderly, sun-exposed individuals. Histologically, ASCCa is characterized by gland-like, "adenoid" cell groups with a centr ...
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Journal ArticleJ Comput Assist Tomogr · 1995
OBJECTIVE: Congenital cystic adenomatoid malformation (CAM) of the lung usually presents in children, although it has rarely been described in adults. The aim of this study was to review the clinical history and the CT findings in adults with pathologicall ...
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Journal ArticleDiagn Cytopathol · 1994
We report two cases of extramedullary plasmacytoma (EMP) of the pancreas, diagnosed by fine-needle aspiration (FNA). Plasmacytoma of the pancreas is a rare neoplasm with only 12 cases recorded in the literature. Because of its scarcity and the cytomorpholo ...
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Journal ArticleActa Cytol · 1994
Fine needle aspiration (FNA) biopsy of a large, deep lobe of a parotid mass revealed a uniform population of small, spindled cells with no distinctive cytologic features. Biopsy and later resection of the mass revealed a myoepithelioma. Myoepithelioma is a ...
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Journal ArticleDiagn Cytopathol · October 1993
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We studied 12 aspirates from 10 patients who underwent diagnostic fine-needle aspiration cytology (FNAC) of an augmented or reconstructed breast. Six patients were augmented with silicone gel-filled implants and four patients had silicone liquid injections ...
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Journal ArticleDiagn Cytopathol · 1993
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As part of a quality assurance study, we reviewed 223 cases of simultaneously sampled cervical smears and biopsies that showed a significant lack of correlation for squamous dysplasia or carcinoma. In 153 of the 223 cases (68.6%), the cytology was negative ...
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Journal ArticleHum Pathol · April 1992
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Recent reports have indicated a shortage of pathologists coming out of training programs over the next few years. This is due, in part, to a decrease in the number of medical students entering pathology and an overall decline in the popularity of the field ...
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Journal ArticleAm J Clin Pathol · January 1992
Human intravenous immunoglobulins prepared by the cold ethanol fractionation technique of Cohn are considered safe with respect to infectivity. However, there have been several instances of transmission of both hepatitis B and non-A,non-B hepatitis viruses ...
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Journal ArticleOtolaryngol Head Neck Surg · November 1991
Idiopathic midline destructive disease (IMDD) is a diagnosis of exclusion in patients who manifest midline nasal necrosis with no specific etiology such as infection, tumor, or Wegener's granulomatosis. Recently, a group of cocaine abusers has been identif ...
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Journal ArticleArch Otolaryngol Head Neck Surg · July 1991
Eighteen cases of osteogenic sarcoma of the head and neck were treated at our institution between 1955 and 1987. The patients' ages ranged from 5 to 73 years, with a median age of 28 years. The sex distribution was equal. Follow-up ranged from 1 to 276 mon ...
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Journal ArticleClin Chem · June 1991
Quality-assurance sera (QAS) are prepared from pooled sera composed of thousands of individual donations. Previous studies documented that a substantial percentage of individual QAS test positive for viral disease markers, including antibodies to human imm ...
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Journal ArticleAm J Clin Pathol · January 1990
The authors report the first case, to their knowledge, of disseminated coccidioidomycosis occurring in a liver transplant recipient. The case is also interesting in that the diagnosis of disseminated coccidioidomycosis was made fortuitously, only after fin ...
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