title: Primary umbilical endometriosis.
abstract: A case of primary solitary umbilical endometriosis is presented. The presentation, differential diagnosis and work-up is discussed and the literature is reviewed.
authors.affiliation: American University of Beirut Medical Center, Department of Surgery, Lebanon.
authors.forename: M S
authors.initials: MS
authors.lastname: Sidani
authors.forename: A M
authors.initials: AM
authors.lastname: Khalil
authors.forename: A N
authors.initials: AN
authors.lastname: Tawil
authors.forename: M I
authors.initials: MI
authors.lastname: El-Hajj
authors.forename: M A F
authors.initials: MA
authors.lastname: Seoud
mesh_terms: D000328:Adult; D004715:Endometriosis / Q000473:pathology; D005260:Female; D006801:Humans; D014472:Umbilicus