METHODS:14 IVM from lung adenocarcinomas with subarachnoid seeding were analyzed and compared with 31 primary intraventricular tumors.

• 方法：分析14例肺腺癌脑室内转移瘤伴蛛网膜下腔内种植转移的MR表现，并与31例脑室内原发肿瘤作比较。