title: An ulcerated umbilical nodule.
authors.affiliation: General Hospital Dr Manuel Gea González, Mexico City, Mexico.
authors.forename: H
authors.initials: H
authors.lastname: Muñoz
authors.forename: L
authors.initials: L
authors.lastname: Waxtein
authors.forename: M E
authors.initials: ME
authors.lastname: Vega
authors.forename: R
authors.initials: R
authors.lastname: Cortes
authors.forename: M T
authors.initials: MT
authors.lastname: Hojyo
authors.forename: L
authors.initials: L
authors.lastname: Dominguez-Soto
mesh_terms: D004715:Endometriosis / Q000473:pathology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D012871:Skin Diseases / Q000473:pathology*; D012883:Skin Ulcer / Q000473:pathology*; D014472:Umbilicus / Q000473:pathology*