title: Umbilical endometriosis. A case report.
abstract: A patient presented with a dark, painful and bleeding umbilicus, and was found to have endometriosis of the umbilicus. The details are presented, as well as a discussion of the aetiology, incidence, differential diagnosis and histological features of the condition.
mesh_terms: D004715:Endometriosis / Q000473:pathology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D014472:Umbilicus / Q000473:pathology