title: What is your diagnosis? Supernumerary digit.
authors.affiliation: Department of Dermatology, Geisinger Medical Center, Danville, Pennsylvania, USA.
authors.forename: Dirk M
authors.initials: DM
authors.lastname: Elston
mesh_terms: D020788:Bardet-Biedl Syndrome / Q000473:pathology; D003616:Dandy-Walker Syndrome / Q000473:pathology; D006228:Hand Deformities, Congenital / Q000473:pathology*; D006801:Humans; D007223:Infant; D017689:Polydactyly / Q000473:pathology*