Malignant meningioma of the lateral ventricle
نویسندگان
چکیده
منابع مشابه
Primary mediastinal malignant meningioma.
Primary ectopic meningiomas are extremely rare tumors of controversial origin and they are usually limited to the head and neck region. Its occurrence at the mediastinum is even rarer. There has not been any official report regarding primary mediastinal malignant meningioma until today. Because of its rarity and potential value, we report here a case of primary mediastinal malignant meningioma,...
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BACKGROUND Papillary meningiomas are rare meningeal tumors and are associated with aggressive clinical behavior as compared with other meningiomas. Because of their rare occurrence, they may pose a diagnostic dilemma to the unwary pathologist. We report a case of papillary meningioma in a 16-year-old boy. CASE PRESENTATION A 16-year-old boy presented with complaints of headache, progressively...
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Dr. Baltazar Leão Reis – Avenida Francisco Sales 1813 / 102 30150-221 Belo Horizonte MG Brasil. E-mail: [email protected] Meningiomas are tumors originating from meningothelial cells of the arachnoid membrane and are benign in most cases, corresponding to about 15% to 18% of all primary tumors of the central nervous system (CNS). Extracranial metastases of meningiomas are rare and occur...
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A 53-year old man presented with a malignant meningioma which was incompletely removed. The tumour subsequently metastasized through the cerebrospinal pathways causing clinical signs through invasion of the cranial nerve roots. Microscopically, the metastatic deposits displayed a papillary pattern and increased anaplastic cytological features.
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Meningioma is considered as a benign central nervous system tumor that accounts for approximately 18% of all brain tumors. About 5% of meningioma tumors are malignant and have more aggressive clinical signs and worse prognosis compared to benign tumors. Extracranial metastasis of meningioma is rare but in the case of occurrence, it is more prevalent in lung, liver and lymph nodes. Osseous metas...
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ژورنال
عنوان ژورنال: Neurosurgical Focus
سال: 2003
ISSN: 1092-0684
DOI: 10.3171/foc.2003.15.4.8