图示腺垂体微腺瘤，成年人发生机率为1～5%，很少出现明显的激素分泌导致临床症状和体征。
腺垂体腺瘤：低倍镜 高倍镜 肉眼
This is a microadenoma of the anterior pituitary. Such microadenomas may appear in 1 to 5% of adults. These microadenomas rarely have a significant hormonal output that leads to clinical disease.
