title: Congenital onychodysplasia of the index finger presenting as a congenital bifid nail.
abstract: Congenital onychodysplasia of the index finger (COIF) is a rare disorder characterized by various nail dystrophies, often with underlying bony deformity. We report a case of a COIF presenting as a congenital bifid nail deformity with underlying bone deformity.
authors.affiliation: MetroHealth Medical Center, Case Western Reserve University.
authors.forename: David
authors.initials: D
authors.lastname: Crowe
authors.forename: Katherine
authors.initials: K
authors.lastname: DiSano
mesh_terms: D000293:Adolescent; D005260:Female; D050278:Finger Phalanges / Q000002:abnormalities* / Q000000981:diagnostic imaging; D005385:Fingers; D006801:Humans; D009260:Nail Diseases / Q000151:congenital* / Q000473:pathology; D009264:Nails, Malformed; D011859:Radiography