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Journal of Korean Neurosurgical Society 1991;20(12): 997-1005.
Posterior Fossa Hemangioblastoma.
Jong Woo Han, Dae Hee Han
1Departments of Neurosurgery, College of Medicine, Gyeongsang National University, Jinju, Korea.
2Departments of Neurosurgery, College of Medicine, Seoul National University, Seoul, Korea.
ABSTRACT
Hemangioblastomas are histologically benign tumors, which generally occur at the posteriro fossa and rarely in supratentorial region. The authors analyzed 18 cases of posterior fossa hemangioblastoma which have been operated at the Department of Neurosurgery, Seoul National University Hospital from 1982 to 1989. The clinico-pathological and radiological features were as follows : 1) Among 18 cases, 13 cases were cystic type with or without mural nodule and 5 cases were solid type. 2) 2 cases were compatible with Von Hippel Lidau's complex, one of which was associated with retinal angiomatosis and the other with mulitple cysts in the pancreas and kidney. In 3 cases, hemoglobin level was above 18g/dl, implying polycythemia, but returned to normal level postoperatively. 3) Mural nodules were not visible in the enhanced CT scan in the 2 cases, in one of which mural nodule was visible in the angiography and so, angiography was more helpful than the CT scan in the detection and the localization of the mural nodule. 4) Among 18 cases, 2 cases(11%) recurred at 34 months and 48 months postperatively.
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