A reappraisal of the coelomic metaplasia theory by reviewing, endometriosis occurring in unusual sites and instances

Identification of an Invasive, N-Cadherin-Expressing Epithelial Cell Type in Endometriosis Using a New Cell Culture Model

“…Furthermore, endometriosis may also arise via metaplasia in some cases. 2,3 Although it is well accepted that endometriotic lesions are composed of stroma and epithelial glandular cells, little is known about the development and characteristics of the cell types contributing to the pathogenesis of endometriosis.…”

Post caesarean scar endometriosis: reporting three cases

“…The proliferative potential of well differentiated cells is limited, transfer of endometrial stem cells at the time of surgery with proliferation at the new site seems more likely. 4 Endometrial cell dissemination via lymphatic or haematogenous routes can also occur. 5 Women with symptomatic endometriosis present with small tender pelvic mass associated with incision site of previous surgery.…”

Pleural Endometriosis: An Exceptional Cause of Hemorrhagic Pleural Effusion

“…Pathogenesis of TES is not yet well understood. There are three theories of the pathogenesis of endometriosis: implantation, vascular or lymphatic metastasis, and coelomic metaplasia [12,13].…”