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Journal of Korean Neurosurgical Society > Volume 18(7-12); 1989 > Article
Journal of Korean Neurosurgical Society 1989;18(7-12): 985-994.
Clinical Analysis of Poster Fossa Tumors.
Tae Hyung Cho, Yang Ku Chong, Youn Kwan Park, Heung Seob Chong, Hon Kap Lee, Ki Chan Lee, Jeong Wha Chu
Department of Neurosurgery, College of Medicine, Korea University, Seoul, Korea.
The posterior fossa tumors were reviewed from January 1980 through September 1988. During that time, 72 tumors were diagnosed, with a male: female ratio of 1 : 1.8. The distribution of histopathologic types was; 17 acoustic neuromas(23%), 14 astrocytomas(19%), 8 hemangioblastomas(11%), 8 meningiomas(11%), 7 medulloblastomas(10%), 6 stem gliomas(8%), 4 metastatic tumors(5%), 3 granulomas(4%). The most common presenting symptoms were headache, nausea and vomiting, dizziness, diplopia and hearing diffrculty. Twenty-five patients(37%) showed hydrocephalus on CT scan. For the entire series of 60 patients operated on, results were: 31% excellent, 37% good, 8% fair, 13% poor and 10% Dead. Individuals with meningioma, acoustic neuroma or hemangioma were more favorable prognostically. With survival time should be further investigated for postoperative irradiation and chemotherapy.
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