title: Translunate fracture with associated perilunate injury: 3 case reports with introduction of the translunate arc concept.
abstract: We report 3 cases of translunate fractures with associated perilunate dislocations (or subluxation). We believe the translunate injury reflects a higher-velocity trauma and produces further destabilization of the carpus when compared with the established greater and lesser arc injuries. A modification to Johnson's perilunate injury classification system is proposed: the addition of a translunate arc injury subgroup, which would include all perilunate injuries with translunate fractures.
authors.affiliation: Department of Orthopaedic and Trauma Surgery, Royal Adelaide Hospital, Adelaide, South Australia, Australia. greg@gregbain.com.au
authors.forename: Gregory I
authors.initials: GI
authors.lastname: Bain
authors.forename: James M
authors.initials: JM
authors.lastname: McLean
authors.forename: Perry C
authors.initials: PC
authors.lastname: Turner
authors.forename: Aman
authors.initials: A
authors.lastname: Sood
authors.forename: Nicholas
authors.initials: N
authors.lastname: Pourgiezis
mesh_terms: D000328:Adult; D000368:Aged; D002348:Carpal Bones / Q000293:injuries*; D050824:Carpal Joints; D050723:Fractures, Bone / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D004204:Joint Dislocations / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery*; D008297:Male; D011859:Radiography