This report is about a 53 year old male with primary carcinoma located in the lateral ventricle with CSF metastases, which was treated with total tumor excision of choroids plexus followed by post-operative cranial spinal irradiation.

• 我们提出的病例为53岁的男性病患，诊断为侧脑室的原发脉络丛癌，合并脑脊髓液的转移；经手术切除后，再追加术后放射治疗；治疗的?围包括全脑及脊髓。