应用扩大额下硬膜内外联合入路治疗7例巨大垂体腺瘤。本入路适用于位于后组筛窦、蝶窦、上斜坡、鞍上和脚间池等的肿瘤。在颅外部分肿瘤切除后,打开硬膜进入颅内,根据鞍隔完整情况,分别作鞍隔切开和推拽鞍隔,最后完成鞍上和脚间池部位肿瘤的切除。本组4例全切,2例次全切除,1例部分切除,无死亡。 The application of an enlarged dura mater combined with external approach to treat 7 cases of giant pituitary adenomas. This approach is suitable for tumors located in the posterior ethmoid sinus, sphenoid sinus, upper slope, suprasellar sulcus, and interictal pool. After the resection of extracranial tumors, the dura mater was opened to enter the cranium. According to the complete condition of the saddle septum, the saddle septum was incised and the saddle septum was removed respectively. Finally, the tumors in the suprasellar region and the interplantar area were resected. In this group, 4 cases were totally cut, 2 cases were subtotally removed, 1 case was partially resected, and no death occurred.