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Treatment of periocular and non-ocular sarcoids in 18 horses by interstitial brachytherapy with iridium-192
  1. K. L. Byam-Cook, BVSc, MRCVS1,
  2. F. M. D. Henson, MA, VetMB, PhD, CertES(Orth), CertEM(IntMed), MRCVS1 and
  3. J. D. Slater, BVM&S, MRCVS1
  1. 1 Queen's Veterinary School Hospital, University of Cambridge, Madingley Road, Cambridge CB3 0ES
  1. Miss Byam-Cook's present address is Philip Leverhulme Equine Hospital, University of Liverpool, Neston, Cheshire CH64 7TE
  2. Mr Slater's present address is Department of Veterinary Clinical Sciences, Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield AL9 7TA


Treatment of the equine sarcoid has posed a significant challenge to clinicians for years and many different methods have been tried with varying success, including ionising radiation. The aim of this study was to review the efficacy of iridium-192 interstitial brachytherapy for the treatment of eight periocular sarcoids and 15 non-ocular sarcoids on 18 horses. All the periocular sarcoids and 13 of the 15 non-ocular sarcoids were treated successfully.

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