Article Text

Equine Practice
Differential diagnosis of polyneuritis equi
  1. Nicholas Vatistas

    graduated from Liverpool veterinary school in 1986. Since August 1991, he has been working as a resident in equine surgery at the University of California. His current research interests include gastric ulceration in racing thoroughbreds, and ischaemia and reperfusion injury of the equine jejunum and colon.

  2. Joe Mayhew

    graduated from Massey University, New Zealand, in 1968. He is currently professor of clinical studies at the Royal (Dick) School of Veterinary Studies, Edinburgh. His research interests include electrophysiology and equine neuropathology.


POLYNEURITIS EQUI has been previously described as neuritis of the cauda equina, due to an apparent predisposition for involvement of the extradural nerve roots of the cauda equina. However, the term polyneuritis equi more adequately reflects the more diffuse nature of the condition. Polyneuritis equi is characterised by a chronic granulomatous inflammation of the extradural nerve roots of many peripheral nerves. The aim of this article is to present an overview of polyneuritis and to comment on neuronopathies producing similar clinical signs.

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