title: Osteochondral defects of the first metatarsal head in adolescence: a stage in the development of hallux rigidus.
abstract: The cases are presented of five adolescents in whom there was an osteochondral defect of the first metatarsal head. The significance of this lesion is discussed.
authors.affiliation: Royal Orthopaedic Hospital, Northfield, Birmingham, U.K.
authors.forename: A P
authors.initials: AP
authors.lastname: Thomas
authors.forename: N S
authors.initials: NS
authors.lastname: Dwyer
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D005531:Foot Deformities, Acquired / Q000000981:diagnostic imaging* / Q000601:surgery; D006214:Hallux / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008297:Male; D008683:Metatarsophalangeal Joint / Q000000981:diagnostic imaging* / Q000601:surgery; D010007:Osteochondritis / Q000000981:diagnostic imaging* / Q000601:surgery; D011859:Radiography; D014033:Toe Joint / Q000000981:diagnostic imaging*