Article Text

Coronary band dystrophy in two horses
  1. N. J. Menzies-Gow, MA,VetMB, CERTEM(IntMed),MRCVS1,
  2. C. M. McGowan, BVSc,PhD, MACVSc, MRCVS1,
  3. J. C. Patterson-Kane, BVSc, PhD, MRCVS2 and
  4. R. Bond, BVMS, PhD,DVD, DipECVD, MRCVS3
  1. 1 Department of Farm Animal and Equine Medicine and Surgery
  2. 2 Department of Pathology and Infectious Diseases
  3. 3 Department of Small Animal Medicine and Surgery, The Royal Veterinary College, Hatfield, Herts AL9 7TA


Two mature large-breed horses with coronary band dystrophy and chorioptic mange are described. They both had clinical signs of coronary band scaling and crusting but were not lame. Coronary band dystrophy can be differentiated from similar clinical conditions on the basis of the histological appearance of skin biopsy specimens, and by the exclusion of other possible disease processes. Its aetiology is uncertain, but probably involves a localised defect of keratinisation affecting the specialised epithelium of the coronary band.

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