The recognition of endometriosis - the past and the present clinical assessment morphology of the evolution of pelvic endometriosis non-pigmented endometriosis morphology age-related evolution in appearance of endometriosis microscopic endometriosis microscopic endometriosis pelvic peritoneal defects in endometriosis infiltrating endometriosis - infiltrations, retraction or adenomyosis externa? rectovaginal endometriosis ovarian endometriosis ovarian cystoscopy visual appearance of endometriosis of the bowel surgical management of gastro-intestinal endometriosis tubal endometriosis look-alike lesions.