Journal ArticleNeurology · August 13, 2024
The clinical assessment of patients with proximal muscle weakness represents a frequent yet intricate challenge. We present the case of a 60-year-old woman who experienced a progressive, symmetrical weakness in proximal limbs and bulbar muscles over 6 mont ...
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Journal ArticleJ Neurooncol · February 2024
BACKGROUND: Pharmacological ascorbate (intravenous delivery reaching plasma concentrations ≈ 20 mM; P-AscH-) has emerged as a promising therapeutic strategy for glioblastoma. Recently, a single-arm phase 2 clinical trial demonstrated a significant increase ...
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Journal ArticleBrain Sci · January 30, 2024
Both glioblastoma (GBM) and dementia are devastating diseases with limited treatments that are usually not curative. Having clinically diagnosed dementia with an associated biopsy-proven etiology and a coexisting GBM diagnosis is a rare occurrence. The rel ...
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Journal ArticleClin Cancer Res · January 17, 2024
PURPOSE: Pharmacologic ascorbate (P-AscH-) is hypothesized to be an iron (Fe)-dependent tumor-specific adjuvant to chemoradiation in treating glioblastoma (GBM). This study determined the efficacy of combining P-AscH- with radiation and temozolomide in a p ...
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Journal ArticleEBioMedicine · January 2024
BACKGROUND: X-linked myotubular myopathy (XLMTM) is a rare, life-threatening congenital muscle disease caused by mutations in the MTM1 gene that result in profound muscle weakness, significant respiratory insufficiency, and high infant mortality. There is ...
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Journal ArticleJ Med Case Rep · January 23, 2023
BACKGROUND: Filar cysts are frequently found on neonatal ultrasound and are physiologically involuting structures with natural resolution. Hence, there has been no previous histologic correlation. Ventriculus terminalis is a focal central canal dilation in ...
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Journal ArticleSemin Neurol · December 2022
The diagnosis of neuromuscular disorders requires a thorough history including family history and examination, with the next steps broadened now beyond electromyography and neuropathology to include genetic testing. The challenge in diagnosis can often be ...
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Journal ArticleActa Neuropathol Commun · February 8, 2022
The descriptions of muscle pathology in dysferlinopathy patients have classically included an inflammatory infiltrate that can mimic inflammatory myopathies. Based on over 20 years of institutional experience in evaluating dystrophic and inflammatory myopa ...
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Journal ArticleAntioxidants (Basel) · December 14, 2021
Glioblastoma remains the deadliest form of brain cancer, largely because these tumors become resistant to standard of care treatment with radiation and chemotherapy. Intracellular production of reactive oxygen species (ROS) is necessary for chemo- and radi ...
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Journal ArticleNeurol Neuroimmunol Neuroinflamm · November 2021
BACKGROUND AND OBJECTIVES: Cerebrovascular manifestations in neurosarcoidosis (NS) were previously considered rare but are being increasingly recognized. We report our preliminary experience in patients with NS who underwent high-resolution vessel wall ima ...
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Journal ArticleAJR Am J Roentgenol · July 2021
OBJECTIVE. Tumefactive demyelination mimics primary brain neoplasms on imaging, often necessitating brain biopsy. This article reviews the literature for the clinical and radiologic findings of tumefactive demyelination in various disease processes to faci ...
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Journal ArticleWorld Neurosurg · July 2021
OBJECTIVE: H3K27M mutation in gliomas has prognostic implications. Previous magnetic resonance imaging (MRI) studies have reported variable rates of tumoral enhancement, necrotic changes, and peritumoral edema in H3K27M-mutant gliomas, with no distinguishi ...
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Journal ArticleAcad Pathol · 2021
The coronavirus disease 2019 (COVID-19) pandemic has had a major impact on education at all age levels, including professional schools and health professions programs. We describe the experience of adapting preclinical medical school courses within an inte ...
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Journal ArticleFront Oncol · 2021
Gliomas are primary brain tumors that originate from glial cells. Classification and grading of these tumors is critical to prognosis and treatment planning. The current criteria for glioma classification in central nervous system (CNS) was introduced by W ...
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Journal ArticleClin Neurol Neurosurg · November 2020
OBJECTIVE: Invasion of brain parenchyma by meningioma can be a critical factor in surgical planning. The aim of this study was to determine the diagnostic utility of first-order texture parameters derived from both whole tumor and single largest slice of T ...
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Journal ArticleMod Pathol · November 2020
Pathologists are responsible for rapidly providing a diagnosis on critical health issues. Challenging cases benefit from additional opinions of pathologist colleagues. In addition to on-site colleagues, there is an active worldwide community of pathologist ...
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Journal ArticleDiagn Pathol · July 4, 2020
BACKGROUND: Pathologists frequently encounter neuroendocrine tumors (NETs) presenting as multiple liver masses in routine practice. Most often, these are well-differentiated tumors with characteristic histologic features. In contrast, pituitary carcinoma i ...
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Journal ArticleJ Clin Neurosci · March 2020
Determining which patients will benefit from reoperation for recurrent glioblastoma remains difficult and the impact of the volume of FLAIR signal hyperintensity is not well known. The primary purpose of this study is to analyze the impact of preoperative ...
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Journal ArticleAmerican Journal of Surgical Case Reports · January 30, 2020
This case represents the unique occurrence of supratentorial dissemination of medulloblastoma in the
absence of overt cerebellar disease. The authors present the case of a 64-year-old man who presented with
headaches and intractable nausea with ima ...
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Journal ArticleClin Cancer Res · November 15, 2019
PURPOSE: Standard treatment for glioblastoma (GBM) includes surgery, radiation therapy (RT), and temozolomide (TMZ), yielding a median overall survival (OS) of approximately 14 months. Preclinical models suggest that pharmacologic ascorbate (P-AscH-) enhan ...
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Journal ArticleNeurol Genet · April 2019
OBJECTIVE: To characterize the clinical phenotype, genetic origin, and muscle pathology of patients with the FKRP c.1387A>G mutation. METHODS: Standardized clinical data were collected for all patients known to the authors with c.1387A>G mutations in FKRP. ...
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Journal ArticleJ Med Imaging (Bellingham) · April 2019
A glioma grading method using conventional structural magnetic resonance image (MRI) and molecular data from patients is proposed. The noninvasive grading of glioma tumors is obtained using multiple radiomic texture features including dynamic texture analy ...
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Journal ArticleCold Spring Harb Mol Case Stud · April 2019
A 52-yr-old man was found to have a 6.6-cm left frontotemporal mass. Biopsy revealed a low-grade astrocytic neoplasm with significant infiltration and an unusual morphologic appearance. Only rare mitotic figures were seen and the Ki-67 proliferative index ...
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Journal ArticleClin Case Rep · August 2018
Although eosinophilic fasciitis is known to be part of the deep morphea spectrum, this first report of the coexistence of granulomatous fasciitis and morphea profunda suggests that granulomatous fasciitis may also be a part of the spectrum of deep morphea. ...
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Journal ArticleSleep Breath · May 2018
PURPOSE: Hypoxic insults occurring during the perinatal period remain the leading cause of permanent brain impairment. Severe cognitive and motor dysfunction, as seen in cerebral palsy, will occur in 4-10% of post-hypoxic newborns. Subtle cognitive impairm ...
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Journal ArticleArch Pathol Lab Med · February 2018
CONTEXT: - Serous carcinoma of the gynecologic tract often involves the external bladder wall and can occasionally mimic primary urothelial carcinoma of the bladder. OBJECTIVE: - To define the spectrum of morphologic and immunohistochemical features that c ...
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Journal ArticleCase Rep Neurol · 2018
An 88-year-old man presented with a 1-month history of altered mental status and seizures. His electrographic and imaging findings were suggestive of herpes simplex encephalitis (HSE), for which he was empirically treated with acyclovir. He underwent two l ...
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Journal ArticleJ Neurooncol · December 2017
In the initial online publication, the values in the last two rows in Table 1 were in the wrong rows. The original article has been corrected. ...
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Journal ArticleJ Neurooncol · December 2017
The 2016 World Health Organization Classification of Tumors of the Central Nervous System incorporates the use of molecular information into the classification of brain tumors, including grade II and III gliomas, providing new prognostic information that c ...
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Journal ArticleRevista Medica Clinica Las Condes · May 1, 2017
Molecular markers are increasingly being utilized in diagnosing, prognosticating and predicting response to therapy of gliomas. The 4th edition of the World Health Organization (WHO) Classification of Tumours of the Central Nervous System (CNS) was updated ...
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Journal ArticleNat Commun · October 4, 2016
Tumour resistance to radiotherapy remains a barrier to improving cancer patient outcomes. To overcome radioresistance, certain drugs have been found to sensitize cells to ionizing radiation (IR). In theory, more potent radiosensitizing drugs should increas ...
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Journal ArticleNeuro Oncol · May 2016
BACKGROUND: In glioblastoma (GBM), the gene for epidermal growth factor receptor (EGFR) is frequently amplified. EGFR mutations also are common, including a truncation mutation that yields a constitutively active variant called EGFR variant (v)III. EGFRvII ...
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Journal ArticleCureus · April 29, 2016
A 24-year-old male presented with eight months of increasingly severe frontal headaches, decreased right facial sensation, and periodic vertigo. Magnetic resonance imaging demonstrated a heterogeneously contrast-enhancing mass involving and expanding the r ...
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Journal ArticleSleep Sci · 2016
INTRODUCTION: Up to 84% of prematurely born infants suffer hypoxic, anoxic, and ischemic insults. Those infants with subsequent behavioral, motor or cognitive dysfunction represent 8-11% of all live births. Yet, no interventions employed during pregnancy a ...
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Journal ArticleDiagn Pathol · September 24, 2015
BACKGROUND: p16 expression is a well established biomarker of cervical dysplasia and carcinoma arising from high risk human papilloma virus infection. Increased p16 expression is also seen in squamous neoplasms arising at other sites, including head, neck, ...
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Journal ArticleOncogene · July 30, 2015
In glioblastoma (GBM), the EGF receptor (EGFR) and Src family kinases (SFKs) contribute to an aggressive phenotype. EGFR may be targeted therapeutically; however, resistance to EGFR-targeting drugs such as Erlotinib and Gefitinib develops quickly. In many ...
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Journal ArticleJ Biol Chem · June 12, 2015
Genomic heterogeneity is characteristic of glioblastoma (GBM). In many GBMs, the EGF receptor gene (EGFR) is amplified and may be truncated to generate a constitutively active form of the receptor called EGFRvIII. EGFR gene amplification and EGFRvIII are a ...
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Journal ArticleCancer Res · April 1, 2015
Intrinsic tumor resistance to radiotherapy limits the efficacy of ionizing radiation (IR). Sensitizing cancer cells specifically to IR would improve tumor control and decrease normal tissue toxicity. The development of tumor-targeting technologies allows f ...
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Journal ArticleSurg Neurol Int · 2015
BACKGROUND: The co-occurrence of intracranial arteriovenous malformations (AVMs) and cerebral neoplasms is exceedingly rare but may harbor implications pertaining to the molecular medicine of brain cancer pathogenesis. CASE DESCRIPTION: Here, we present a ...
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Journal ArticleJ Neurooncol · December 2014
A subset of patients with high-grade glioma and brain metastases who are treated with bevacizumab develop regions of marked and persistent restricted diffusion that do not reflect recurrent tumor. Here, we quantify the degree of restricted diffusion and th ...
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Journal ArticleJ Neurosurg Spine · November 2014
Intramedullary spinal cord hematomas are a rare neurosurgical pathological entity typically arising from vascular and neoplastic lesions. Endometriosis is an extremely rare cause of intramedullary spinal cord hematoma, with only 5 previously reported cases ...
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Journal ArticleArch Pathol Lab Med · August 2014
The pathology of granulomatosis with polyangiitis (GPA), formerly Wegener granulomatosis, typically features a granulomatous and sometimes necrotizing vasculitis targeting the respiratory tract and kidneys. However, orbital involvement occurs in up to 60% ...
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Journal ArticleNeurosurg Focus · April 2014
Differentiating between low-grade gliomas (LGGs) of astrocytic and oligodendroglial origin remains a major challenge in neurooncology. Here the authors analyzed The Cancer Genome Atlas (TCGA) profiles of LGGs with the goal of identifying distinct molecular ...
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Journal ArticleCNS Oncol · 2014
AIMS: The purpose of this paper is to investigate the effect of bevacizumab (BEV) on the diffusion properties of irradiated brain gliomas. MATERIALS & METHODS: Neuroimaging studies and medical records of 44 patients undergoing treatment for cerebral glioma ...
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Journal ArticleFront Oncol · 2013
IMPORTANCE: With the increasing use of antiangiogenic agents in the treatment of high-grade gliomas, we are becoming increasingly aware of distinctive imaging findings seen in a subset of patients treated with these agents. Of particular interest is the de ...
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Journal ArticleDiabetes · June 2008
OBJECTIVE: Large-fiber diabetic polyneuropathy (DPN) leads to balance and gait abnormalities, placing patients at risk for falls. Large sensory axons innervating muscle spindles provide feedback for balance and gait and, when damaged, can cause altered sen ...
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Journal ArticleLipids · May 2006
Variation in brain FA composition, particularly decreased DHA (22:6n-3), affects neurodevelopment, altering visual, attentional, and cognitive functions, and is implicated in several neuropsychiatric disorders. To further understand how specific brain proc ...
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Journal ArticleSleep · February 2005
STUDY OBJECTIVES: Vesicular monoamine transporter and dopamine D1-receptor protein expression are upregulated within the striatum of adults rats exposed to intermittent hypoxic insults as neonates. These observations prompted us to test the hypothesis that ...
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