Possible involvement of signal transducer and activator of transcription-3 in cell-cell interactions of peritoneal macrophages and endometrial stromal cells in human endometriosis.

Objective: To investigate interactions between peritoneal macrophages and endometrial stromal cells (ESCs) involved in the development of endometriosis.

Design: Clinicopathologic and in vitro studies.

Setting: Department of Obstetrics and Gynecology and Department of Pathology, Kumamoto University Hospital.