结肠与直肠癌肿常见肝脏与肺转移,而脑转移则属罕见。作者收集1959～1979年999例不同阶段的结肠或直肠癌。全部均作尸检。其中29例(2.9％)经组织学证明为原发腺癌脑转移。男性18、女性11例,平均年龄61.3岁。病灶位于直肠12例、乙状结肠7 Liver and lung metastases are common in colon and rectal cancer, and brain metastases are rare. The authors collected 999 different stages of colon or rectal cancer from 1959 to 1979. All were autopsy. Of these, 29 (2.9%) were histologically proven to be primary brain metastases of adenocarcinoma. There were 18 males and 11 females with an average age of 61.3 years. Lesions located in rectum in 12 cases, sigmoid colon 7