title: Articular fracture of the dorsoproximolateral aspect of the third metatarsal bone in five standardbred racehorses.
abstract: Articular fracture of the dorsoproximolateral aspect of the third metatarsal bone (MT3) caused an acute onset of lameness in 5 horses; however, 3 of the horses had historical and radiographic or scintigraphic evidence of chronic tarsal and metatarsal disease before fracture. The pathogenesis of dorsoproximolateral fracture of MT3 remains unclear, but the fracture may occur as a result of the formation of abnormal bone in the proximal aspect of MT3. The prognosis for racing in horses with this fracture appears to be guarded.
authors.affiliation: Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square 19348.
authors.forename: M W
authors.initials: MW
authors.lastname: Ross
authors.forename: M L
authors.initials: ML
authors.lastname: Sponseller
authors.forename: H E
authors.initials: HE
authors.lastname: Gill
authors.forename: W
authors.initials: W
authors.lastname: Moyer
mesh_terms: D000818:Animals; D001847:Bone Diseases / Q000150:complications / Q000662:veterinary*; D005260:Female; D050723:Fractures, Bone / Q000209:etiology / Q000628:therapy / Q000662:veterinary*; D006736:Horses / Q000293:injuries*; D007794:Lameness, Animal / Q000209:etiology* / Q000628:therapy; D008297:Male; D008682:Metatarsal Bones / Q000293:injuries*; D011379:Prognosis; D016896:Treatment Outcome