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Journal of Korean Neurosurgical Society 1995;24(12): 1554-1559.
Cystic Intracranial Hemangiopericytoma; Case report.
Hong Bo Sim, Sun Ill Lee, Byung Ook Choi, Soo Chun Kim, Jae Hong Sim
Department of Neurosurgery, College of Medicine, Inje University, Paik Hospital, Korea.
ABSTRACT
Hemangiopericytomas is a rare malignant tumor of the central nervous system having an incidence of 1-3.8% of all primary intracranial meningeal tumors, and the occurrence of cystic hemangiopericytomas is even rarer. We report our recent experience of a case of cerebral hemangiopericytoma associated with a large cyst in a 38 year-old man. The patient presented with 1-month history of headache. Computerized tomography(CT) and magnetic resonance image(MRI) showed a huge-sized, cystic tumor in the left frontal region. Histopathological report of the excised tumor confirmed cystic hemangiopericytoma. Over the years, the issue of classifying hemangiopericytoma as a form of meningioma has been controversial. Since hemangiopericytoma differs from that of ordinary meningiomas because of its extremely malignant behavior and different histological and ultrastructural properties, the author suggest that hemangiopericytoma classified not with meningiomas. Regardless of classification, total surgical removal of this tumor is crucial due to its tendency for local recurrence despite aggressive resection.
Key Words: Cystic hemangiopericytoma; CT and MRI; Immunohistochemical study; Surgical removal
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