title: Accessory bone or unusual congenital anomaly.
abstract: This case study presents a congenital anomaly, diagnosed in a 23-year-old male, not found previously described in the medical literature. It also reviews the current classification systems used to describe congenital anomalies.
authors.affiliation: American College of Foot and Ankle Surgeons, Denver, USA.
authors.forename: J
authors.initials: J
authors.lastname: O'Rourke
authors.forename: P
authors.initials: P
authors.lastname: Stone
authors.forename: M
authors.initials: M
authors.lastname: Stern
authors.forename: J
authors.initials: J
authors.lastname: McGarry
mesh_terms: D000328:Adult; D005500:Follow-Up Studies; D005532:Foot Deformities, Congenital / Q000145:classification / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D013639:Tarsal Bones / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed