Kydd, Andre R Umbilical endometriosis mistaken for a keloid in a premenopausal woman of Caribbean descent. [electronic resource] - JAAD case reports May 2016 - 219-21 p. digital Publication Type: Case Reports; Journal Article ISSN: 2352-5126 Standard No.: 10.1016/j.jdcr.2016.03.009 doi