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Endoscopic electrosurgical excision of laryngeal granulation tissue in a standing pregnant mare
  1. T. M. Booth, BVSc, MRCVS, MACVSc1,
  2. E. K. Hainisch, MagMedVet, MRCVS1,
  3. D. C. Knottenbelt, BVM&S, DVM&S, MRCVS1,
  4. G. B. Edwards, BVSc, DVetMed, FRCVS1,
  5. P. D. Clegg, MA, VetMB, PhD, MRCVS1 and
  6. D. F. Kelly, BVSc, MA, PhD, MRCVS, FRCP, DECVP2
  1. 1 Department of Veterinary Clinical Sciences and Animal Husbandry
  2. 2 Department of Veterinary Pathology, University of Liverpool, Large Animal Hospital, Leahurst, Neston, South Wirral CH64 7TE


An 11-year-old, eight-months pregnant mare suddenly developed severe respiratory distress. Endoscopic examination identified intralaryngeal granulation tissue obstructing the airway. In order to avoid general anaesthesia and the problems associated with a permanent tracheostomy, the mass was resected electrosurgically while the mare was standing. Patency was restored to the airway and the mare foaled without complication.

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