Multifocal abdominal endometriosis, a case report.

Multifocal endometriosis found outside of the pelvis is very rare. We present here a case of endometriosis found in the pelvis, appendix and umbilicus. A 52-year-old female had a previous umbilical hernia repair, and years later started to develop a recurrent umbilical mass. After a full work-up, it was decided the patient have a diagnostic laparoscopy with wide local excision of umbilical mass to rule out any underlying malignancy. Findings during the procedure included an umbilical mass, dilated appendix and ovoid mass abutting the appendix. Pathology of the umbilical mass was found to be consistent with endometriosis. Umbilical and pelvic endometriosis is a rare condition. Options for diagnosis prior to surgical interventions are limited in endometriosis. In this case, ruling out underlying malignancy took priority, and the mass was removed and she will have less chance of recurrence.