Clinical findings associated with chronic ischial fracture in a gelding.
An 8-year-old show-jumper gelding was referred for examination as a result of a purchase dispute for reported back pain. Clinical examination identified back pain and atrophy of the left semimembranosus and semitendinosus muscles, but no lameness. Standing pelvic radiography demonstrated a chronic nonunion fracture of the left ischium, the clinical significance of which was uncertain. The apparent back pain was thought to be probably unrelated to the pelvic lesion. We conclude that chronic ischial fracture in the horse can lead to specific atrophy of the semimembranosus and semitendinosus muscles, which originate from this bone.
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Department of Veterinary Clinical Sciences and Animal Husbandry, University of Liverpool, Large Animal Hospital, Leahurst, Neston, South Wirral, UK.
Clegg
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D000818:Animals; D001416:Back Pain / Q000209:etiology / Q000662:veterinary*; D003937:Diagnosis, Differential; D005599:Fractures, Ununited / Q000150:complications / Q000175:diagnosis / Q000662:veterinary*; D006614:Hindlimb; D006736:Horses / Q000293:injuries*; D007512:Ischium / Q000293:injuries*; D008297:Male; D009133:Muscular Atrophy / Q000209:etiology / Q000662:veterinary*