perineal endometriosis case report, extrapelvic endometriosis perineal location, endometriosis lymphatic venous transport mechanism, perineal endometriosis without prior trauma, endometriosis unusual locations primary infertility, endometriosis metastatic theory venous lymphatic spread, perineal endometriosis no episiotomy history, extrapelvic endometriosis pathogenesis mechanisms, Pollack Tulandi perineal endometriosis, endometriosis ectopic implantation theory
Keywords
Adult, Endometriosis/complications/physiopathology, Female, Humans, Infertility, Female/etiology, Neoplasms/complications, Perineum