title: Persistent umbilical nodule.
authors.affiliation: Division of Dermatology and Cutaneous Surgery and Department of Pediatrics, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA.
authors.forename: Matthew
authors.initials: M
authors.lastname: Fink
authors.forename: Lester
authors.initials: L
authors.lastname: Libow
authors.forename: Jason
authors.initials: J
authors.lastname: Arnold
authors.forename: John C
authors.initials: JC
authors.lastname: Browning
mesh_terms: D006801:Humans; D007223:Infant; D008297:Male; D014472:Umbilicus / Q000473:pathology*; D014816:Vitelline Duct / Q000002:abnormalities*