Presented is a retrospective study of 20 patients with intracranial germ cell tumors who the authors have treated during past 10 years. The cases among these patients included thirteen germinomas, three teratomas, two embryonal carcinomas, and two malignant teratomas. A ventriculoperitoneal shunt was installed in 15 cass and the tumor was surgically removed in four cases. All cases were irradiated with 33 to 61 Gy; in 18 cases, more than half of the total dose was delivered to the whole brain, and in 9 cases, spinal irradiation was given because of a verified CSF dissemination. Chemotherapy was the regimen for four cases. The tumor responded to therapy in 16 (84%) of 19 evaluable cases. Overall, the median and five year survival were 102 months and 83%, respectively. The survival rate was found to vary between the benign group (germinoma, teratoma) and the malignant group (embryonal carcinoma, malignant teratoma, germinoma with STGC) (p less than 0.01).
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