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颅颈沟通型肿瘤(枕大孔区肿瘤),系指骑跨于杭大孔上下的肿瘤。临床报导下降型小脑肿瘤较少见。我院自1980～1986年经手术证实的后颅窝肿瘤158例中有11例(占6.9％)为颅颈沟通型小脑肿瘤,现将临床及病理分析报告如下:
Cranial-neck communicating tumor (Pocahontal area tumor) refers to the tumor that rides up and down the large pore of Hangzhou. Clinical reports of smaller cerebellar tumors are rare. 11 cases (6.9%) of 158 cases of posterior fossa tumors confirmed by surgery in our hospital from 1980 to 1986 were craniocerebral communicating cerebellar tumors. The clinical and pathological analysis is reported as follows: