Umbilical endometrioma (silent type).
Umbilical endometrioma is an uncommon entity and is rarely asymptomatic. A 24-year old black woman had an asymptomatic, spontaneous umbilical endometrioma. The lesion was excised and the diagnosis was histologically confirmed.
D000328:Adult; D004715:Endometriosis / Q000473:pathology*; D005260:Female; D006801:Humans; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery; D014472:Umbilicus / Q000473:pathology*