原发性颅内肿瘤颅外转移极少见。我院25年来有2例小脑胶质瘤经病理证实转移到颅外,占本院小脑胶质瘤3.4％。现报告如下: 例1 女,20岁。因头晕3年,加重1周于1977年8月26日入院。3年前患者渐感头晕,转动头部时加重,曾晕倒5次,不伴耳鸣及呕吐。入院检查:内科检查无异常。双眼有粗大水平及垂直眼颤,视野示 Extracranial metastases of primary intracranial tumors are rare. In our hospital for 25 years, 2 cases of cerebellar gliomas have been confirmed by pathology and transferred to the extracranial space, accounting for 3.4% of our cerebellar gliomas. The report is as follows: Example 1 Female, 20 years old. Due to dizziness for 3 years, an increase of 1 week in August 26, 1977 admission. 3 years ago, patients gradually dizziness, increased rotation head, had fainted 5 times, without tinnitus and vomiting. Admission examination: no abnormal medical examination. Eyes have thick horizontal and vertical nystagmus, visual field show