Papillary meningioma: A malignant variant of meningioma
نویسندگان
چکیده
منابع مشابه
Papillary meningioma: a rare but distinct variant of malignant meningioma
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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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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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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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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Papillary meningioma is a rare subtype of malignant meningiomas, which is classified by the World Health Organization as Grade III. Because of lack of large sample size case studies, many of the specific characteristics of papillary meningioma are unclear. This study investigated by retrospective analysis the clinical, radiological and histopathological findings of 17 papillary meningioma patie...
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ژورنال
عنوان ژورنال: Cancer
سال: 1975
ISSN: 0008-543X,1097-0142
DOI: 10.1002/1097-0142(197510)36:4<1363::aid-cncr2820360427>3.0.co;2-z