Article Text

Clinical signs and radiographic diagnosis of a portosystemic shunt in a foal
  1. MH Hillyer,
  2. PE Holt,
  3. FJ Barr,
  4. BM Weaver,
  5. PJ Brown and
  6. JP Henderson

Abstract

A three-month-old native pony foal had a history of recurrent episodes of bizarre neurological behaviour. The results of clinical examinations were non-specific but clinicopathological investigations indicated hepatic encephalopathy. A percutaneous, needle liver biopsy revealed histopathological changes consistent with a portosystemic shunt, which was later identified by operative mesenteric portovenography, and confirmed at post mortem.

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