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Osteochondritis Dissecans in Horses

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Osteochondritis dissecans (OCD) of the carpal joints is uncommon. The typical presentation is a yearling with synovial effusion. Lameness is usually present and can be exacerbated by carpal flexion. Radiographs show the presence of subchondral lucencies typical of OCD, most commonly in the distal radius. Treatment is arthroscopic surgery, but refragmentation and development of osteoarthritis has been seen. The prognosis is fair to guarded. (Also see Osteochondrosis in Horses.)

Last full review/revision March 2012 by Stephen B. Adams, DVM, MS, DACVS; Joerg A. Auer, DrMedVet, Dr h c, MS, DACVS, DECVS; James K. Belknap, DVM, PhD, DACVS; Jane C. Boswell, MA, VetMB, CertVA, CertES (Orth), DECVS, MRCVS; Peter Clegg, MA, Vet MB, PhD, CertEO, DECVS, MRCVS; Andrew L. Crawford, BVetMed, CertES (Orth), MRCVS; Jean-Marie Denoix, DVM, PhD, Agregé; Marcus J. Head, BVetMed, MRCVS; C. Wayne McIlwraith, BVSc, PhD, DSc, FRCVS, DACVS, DACVSMR; James Schumacher, DVM, MS, DACVS, MRCVS; John Schumacher, DVM, MS, DACVIM; Roger K. W. Smith, MA, VetMB, PhD, DEO, DECVS, MRCVS; Chris Whitton, BVSc, FACVSc, PhD

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