Onchocercosis of an Intervertebral Joint Capsule Causing Cervical Vertebral Stenotic Myelopathy in a Horse

Author:

Hestvik Gete1,Ekman Stina1,Lindberg Ronny1

Affiliation:

1. Department of Biomedical Sciences and Veterinary Public Health, Division of Pathology, Pharmacology and Toxicology, Swedish University of Agricultural Sciences, Box 7028, 750 07 Uppsala, Sweden

Abstract

A novel case where onchocercosis was identified as a cause of cervical myelopathy in the horse is described. A 15-year-old Connemara mare was euthanized due to progressive locomotion disturbance. Postmortem examination revealed soft-tissue swelling in the intervertebral joint capsule of C6-7 with narrowing of the vertebral canal. On light microscopy, axonopathy was pronounced in the corresponding segment of the spinal cord. Fibrous tissue and eosinophilic granulomas were found in the joint capsule, together with parasites identified histologically as Onchocerca sp.

Publisher

SAGE Publications

Subject

General Veterinary

Reference15 articles.

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3. Jubb KVF, Kennedy PC, Palmer N: 1993, Pathology of domestic animals, 4th ed., vol 1, pp. 48–50, 264, 694–695. Academic Press, San Diego, CA.

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