Extra-Axial and Clear Cell Type Ependymoma, Mimicking a Convexity Meningioma
نویسندگان
چکیده
منابع مشابه
Extra-Axial and Clear Cell Type Ependymoma, Mimicking a Convexity Meningioma
A 33-year-old woman presented with tingling and paresthesia on left extremity for 2 months. Magnetic resonance imaging revealed that the tumor was iso- and hypo-intensity on T1-weighted image, mixed iso- and high-signal intensity on T2-weighted images and heterogeneously enhanced with rim enhancement. Neither arachnoid cleft nor dural tail was certain but mass was located extra-axially so menin...
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Isolated cerebral varix is a rare cerebrovascular anomaly, which is easily misdiagnosed as other brain tumors.A 59-year-old female patient with noncontributory medical history presented with headache and insomnia for the last 2 months. Upon admission, her neurological examination was unremarkable. Magnetic resonance imaging revealed a well-demarcated extra medullary mass, 11 × 11 mm in size, wi...
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Clear cell variant of ependymoma is almost exclusively located in the supratentorial region. Only few cases of this tumor that located in the spinal cord have been reported. Here we report one case of intramedullary clear cell ependymoma of the lumbar spinal cord. In microscopic examination, the tumor cells were round to oval with moderate amounts of clear cytoplasm and centrally located lar...
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E is a common type of pediatric brain tumors (≈10% of all central nervous system tumors in the pediatric age group), it is usually located in the infratentorial compartment and a third of the ependymomas are supratentorial. Of the supratentorial ependymomas, extraventricular ones are rare and usually located in close proximity to the ventricles (some still have connection to ventricle margin). ...
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Cerebral extra-axial metastases mimicking meningioma are extremely rare. Imaging characterictics may not always differentiate between meningioma and metastatic tumors. A 68-year-old-woman who had been operated for renal cell carcinoma 20 years ago presented with new symptoms of an intracranial mass lesion. A large extra-axial convexity mass destroying the calvarium and dura was excised with Sim...
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ژورنال
عنوان ژورنال: Brain Tumor Research and Treatment
سال: 2017
ISSN: 2288-2405,2288-2413
DOI: 10.14791/btrt.2017.5.2.127