松果体区肿瘤主要是指来源于松果体细胞、第Ⅲ脑室后部和四叠体部的肿瘤。常见的有松果体细胞瘤、生殖细胞瘤、良性畸胎瘤和胶质细胞瘤等。因为肿瘤部位深在,多累及大脑深部静脉及周围的重要结构,故手术暴露困难,肿瘤不易全切,致残率高,死 The pineal region tumors mainly refer to tumors originating from pineal cells, the posterior portion of the III ventricle, and the quadrisection. Common pineal cell tumors, germ cell tumors, benign teratomas, and gliomas. Because the tumor site is deep, it involves the deep veins of the brain and the surrounding important structures, so the surgical exposure is difficult, the tumor is not easy to cut, and the disability rate is high.