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Journal of Korean Neurosurgical Society 2006;39(1): 32-35.
Meningeal Hemangiopericytoma: Study of 6 Cases and Review of the Literatures.
Jong Hyun Kim, Taek Hyun Kwon, Joo Han Kim, Youn Kwan Park, Yong Gu Chung, Heung Seob Chung
Department of Neurosurgery, College of Medicine, Korea University, Seoul, Korea. ns806@kumc.or.kr
Hemangiopericytoma is known as a malignant tumor originating from pericytes and rarely occurs in the central nervous system. We present 6 cases of pathologically confirmed meningeal hemangiopericytoma.
Retrospective study was done based on patient's recordings including radiological studies. Each case of tumors was treated surgically and postoperative radiotherapy was done.
There were 5 cases of intracranial and 1 case of spinal hemangiopericytomas. Three of 5 intracranial hemangiopericytomas were located at tentorial region. Total tumor removal was done in 4 cases and postoperative local recurrence (or regrowth) was noted in 3 cases despite of postoperative external radiation therapy, 2 of which had died.
Our cases show more frequent tentorial locations and poor clinical outcomes of hemangiopericytomas compared with meningiomas.
Key Words: Meningeal hemangiopericytoma; Radiotherapy; Surgery
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