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Case Report Cutaneous vasculitis in five Jack Russell Terriers.

Wendy M Parker1, Robert A Foster2

  • 1*Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada N1G 2W1.

Veterinary Dermatology
|October 14, 2021
PubMed
Summary

A new vasculitis affecting Jack Russell Terriers causes skin lesions like hair loss and ulcers. This condition, resembling dermatomyositis, is treatable with dapsone and prednisone.

Keywords:
Jack Russell Terrieralopeciadogextremitiesleucocytoclastic vasculitisulcer

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Area of Science:

  • Veterinary Dermatology
  • Immunopathology
  • Canine Medicine

Background:

  • A novel breed-associated vasculitis is described in Jack Russell Terriers.
  • This condition presents with characteristic skin lesions on the extremities and pressure points.

Observation:

  • Clinical signs include alopecia and focal crusted ulcers.
  • Histopathological findings reveal epidermal necrosis, pigmentary incontinence, leukocytoclastic vasculitis, and ischemic degeneration of hair follicles.
  • Dermal edema and lymphocytic/macrophagic infiltrate are commonly observed.

Findings:

  • The disease clinically and histopathologically resembles dermatomyositis seen in Collies and Shetland Sheepdogs.
  • Systemic lupus erythematosus is considered the most likely differential diagnosis due to breed differences.
  • Dapsone and anti-inflammatory doses of prednisone were effective treatments.

Implications:

  • This study identifies a specific vasculitis in Jack Russell Terriers.
  • Understanding the clinical and histopathological features aids in differential diagnosis.
  • Effective treatment options provide a basis for managing this condition in affected dogs.