Methods Twenty-two cases of pineal region lesions removed via infratentorial-supracerebellar approach at sitting position were analyzed retrospectively,and compared with other 17 cases undergoing the resection at three-quarter-prone or concorde position.

• 方法对我科22例松果体区肿瘤采取坐位经幕下小脑上入路手术治疗的临床资料进行详细分析,并且与我们使用侧俯卧位和俯卧位经幕下小脑上入路手术治疗17例结果相比较。