垂体腺瘤是发生于腺垂体的良性肿瘤 ,占中枢神经系统肿瘤的 10 %～ 2 0 % ,是颅内最常见的肿瘤之一。根据免疫组织化学将垂体腺瘤按功能进行分类 ,主要有激素分泌活性腺瘤和非激素分泌活性腺瘤两大类。前者包括生长激素瘤 ( GH腺瘤 )、催乳素瘤 ( PRL 腺瘤 )、促肾上腺皮质素瘤 Pituitary adenoma is a benign tumor that occurs in the pituitary gland, accounting for 10% ~ 20% of the tumors in the central nervous system. It is one of the most common tumors in the brain. Pituitary adenomas according to the classification of the function by immunohistochemistry, there are two major types of active hormone-secreting adenomas and non-hormone-secreting active adenomas. The former includes growth hormone tumors (GH adenomas), prolactinomas (PRL adenomas), adrenocortical neoplasms