• Caused by Habronema sp. or Draschia sp. - spread by house flies or stable flies
  • In traumatised or moist soft skin
  • Grossly:
    • Single or multiple tomorous masses that proliferate and ulcerate
    • Red to brown, on section have small gritty yellow to white foci
  • Microscopically:
    • Nodular dermatitis
    • Eosinophils, epithelioid macrophages, multinucleated giant cells
    • Larvae and necrotic tissue
    • Granulation tissue with neutrophils along ulcerated surface



Description

Signalment

Diagnosis

Clinical signs

Biopsy

Pathology

Treatment

Prognosis

References

  • Knottenbelt, D.C. A Handbook of Equine Medicine for Final Year Students University of Liverpool
  • Rose, R. J. and Hodgson, D. R. (2000) Manual of Equine Practice (Second Edition) Sauders.
Also known as: Summer sores