我科自1972年8月～1983年7月,收治经手术和病理证实的脑转移瘤28例,占同期376例脑肿瘤手术病例的7.4％。临床资料本组男18例,女10例,男女之比为1.8:1。年龄最小5岁(为视网膜母细胞瘤第三脑室转移),最大70岁,平均48.32岁。41岁以上的22例,占78.6％。 12例(42.9％)在术前或术后发现原发病灶,其中肺癌5例,纵膈肿瘤3例,乳癌、绒癌、肱骨肉瘤及卵巢癌各1例。4例肺外癌肿同时伴有肺、脑转移。16例(57.1％)虽经临床和X线等检查,未能发现原发癌灶。 Our department from August 1972 to July 1983, 28 patients with brain metastases confirmed by surgery and pathology, accounting for 7.4% of 376 cases of brain tumor surgery during the same period. Clinical data The group of 18 males and 10 females, male to female ratio of 1.8: 1. The youngest 5 years old (third retinoblastoma third ventricle metastasis), maximum 70 years old, average 48.32 years. 22 cases over the age of 41, accounting for 78.6%. There were 5 cases of lung cancer, 3 cases of mediastinal tumor, 1 case of breast cancer, choriocarcinoma, humeral sarcoma and ovarian cancer in 12 cases (42.9%) before or after operation. 4 cases of extrapulmonary cancer accompanied by lung and brain metastases. 16 cases (57.1%) did not find primary foci despite clinical and X-ray examination.