Umbilical endometriosis and metachronous ovarian endometrioma

This is endometriosis in the umbilicus of a woman in her 40s. She presented with a three year history of an umbilical mass that enlarged during her menstrual period and became tender (left) (fig 1). She had regular menstrual periods without dysmenorrhoea and no history of abdominal surgery.bmj;378/aug17_2/e064973/F1F1f1Fig 1Examination showed a firm mass of 3.5 cm diameter within the umbilicus that was clinically consistent with extra-pelvic (umbilical) endometriosis.Further investigation using whole body magnetic resonance imaging showed an endometrioma on the left ovary (arrowhead in figure), multiple uterine leiomyomas, and umbilical endometriosis (arrow).Umbilical endometriosis is rare, affecting 0.5-1% of people with endometriosis, and it coexists with pelvic endometriosis in about 35% of patients.1 Umbilical endometriosis might develop after metaplasia of urachal remnants, or haematogenous, lymphatic, or iatrogenic seeding of endometrial tissues on the umbilicus. When umbilical endometriosis is suspected, further imaging should be performed to exclude metachronous endometriosis.
Read Original Article: Umbilical endometriosis and metachronous ovarian endometrioma »