子宫腺肌病(adenomyosis),以往称内在性子宫内膜异位症,为子宫内膜侵入子宫肌壁层,属于子宫内膜异位症的一种特殊类型,可以和“外在性”或盆腔子宫内膜异位症同时存在。该病首次由Frank命名,1972年Bird等描述其为“子宫内膜对子宫肌层的良性浸润,产生弥散性子宫长大,显微镜下呈 Adenomyosis, previously referred to as intrinsic endometriosis, is a special type of endometriosis that invades the uterine muscle wall of the endometrium and can be associated with “extrinsic” or Pelvic endometriosis exist at the same time. The disease was first named Frank by Bird et al in 1972, describing it as "benign endometrial invasion of the myometrium, resulting in disseminated uterine growth was observed under a microscope