title: Simultaneous avulsion fracture of the insertion of the ulnar and radial collateral ligaments of the metacarpophalangeal joint of the thumb.
abstract: We present a case of simultaneous avulsion fracture of the insertion on the volar base of the proximal phalanx of the ulnar and radial collateral ligaments of the metacarpophalangeal joint of the thumb. To our knowledge this combination has never been published before. The mechanism of this injury is not clearly understood.
authors.affiliation: Department of Surgery, Kantonsspital Lucerne, Switzerland.
authors.forename: E
authors.initials: E
authors.lastname: Fritsche
authors.forename: D
authors.initials: D
authors.lastname: De Monaco
authors.forename: S
authors.initials: S
authors.lastname: Drinkuth
authors.forename: U
authors.initials: U
authors.lastname: von Wartburg
mesh_terms: D000328:Adult; D050723:Fractures, Bone / Q000000981:diagnostic imaging*; D006801:Humans; D008023:Ligaments, Articular / Q000293:injuries*; D008297:Male; D008662:Metacarpophalangeal Joint / Q000000981:diagnostic imaging / Q000293:injuries*; D011859:Radiography; D013933:Thumb / Q000000981:diagnostic imaging / Q000293:injuries*