Objective: To learn more about the rare application of subarachnoid hemorrhage (SAH) during transsphenoidal surgery (TSS) for lesions of sellar region.

• 目的:提高对蝶窦鞍内肿瘤经蝶窦鞍内手术并发蛛网膜下腔出血(SAH)这种少见并发症的认识。