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Histoplasma capsulatum osteomyelitis in the cat
1Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, Texas A&M University, College Station 77843.
Journal of Veterinary Internal Medicine
|October 1, 1987
Summary
Disseminated Histoplasma capsulatum infection in cats can manifest primarily as bone lesions, causing lameness and pain. Radiographs often show osteolytic changes, particularly in appendicular skeletal sites.
Area of Science:
- Veterinary Medicine
- Mycology
- Infectious Diseases
Background:
- Histoplasma capsulatum is a fungal pathogen that can cause disseminated disease in cats.
- Osseous manifestations are less commonly reported as the primary sign of feline histoplasmosis.
Purpose of the Study:
- To evaluate clinical, radiographic, and pathological findings in cats with osseous lesions due to Histoplasma capsulatum.
- To describe the predilection sites and radiographic characteristics of these bone lesions.
Main Methods:
- Retrospective case series evaluating seven cats with Histoplasma capsulatum infection.
- Assessment of clinical signs, radiographic findings, and pathological data.
Main Results:
- Cats presented with lameness, bone pain, and limb swelling related to osseous lesions.
- Radiographs predominantly showed osteolytic bone lesions, with some cases exhibiting new bone formation.
- Infection primarily affected the appendicular skeleton, especially below the elbow and stifle joints.
Conclusions:
- Osseous lesions can be the primary clinical manifestation of disseminated Histoplasma capsulatum infection in cats.
- Radiographic findings are typically osteolytic, aiding in diagnosis.
- Understanding these presentations is crucial for timely diagnosis and treatment in feline patients.