Because of lower ICAM-1 protein expression in eutopic endometrium with endometriosis, lower of stability and adhesive ability could easily transplant to peritoneal cavity.

• 子宫内膜异位症患者的子宫内膜中ICAM一1蛋白表达下降，使子宫内膜的稳定性及基底膜的粘附性降低，因而容易“异位”至腹腔内。