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Multicentric cutaneous pythiosis in a foal
M K Chaffin1, J Schumacher, N Hooper
1Department of Large Animal Medicine and Surgery, College of Veterinary Medicine, Texas A&M University, College Station 77843-4475.
Journal of the American Veterinary Medical Association
|July 15, 1992
Summary
A 5-month-old Quarter Horse with skin lesions was treated with surgery and oral sodium iodide. The horse was diagnosed with pythiosis and fully recovered within three months.
Area of Science:
- Veterinary Dermatology
- Mycology
- Equine Medicine
Background:
- Pythiosis is a globally emerging infectious disease caused by the oomycete Pythium insidiosum.
- Cutaneous pythiosis can present as chronic, granulomatous lesions, often affecting horses.
Observation:
- A 5-month-old male Quarter Horse presented with multicentric, granulomatous skin lesions on its dorsum and prepuce.
- Lesions were surgically excised, and the horse received oral sodium iodide therapy for two weeks.
Findings:
- Histologic examination and immunoperoxidase staining confirmed a diagnosis of multicentric cutaneous pythiosis.
- The equine patient showed complete healing of all lesions three months post-surgery and treatment.
Implications:
- This case highlights the successful management of cutaneous pythiosis in a young horse through a combination of surgical excision and medical therapy.
- Early diagnosis and prompt treatment are crucial for favorable outcomes in equine pythiosis cases.
- Further research into optimal treatment protocols for pythiosis in horses is warranted.