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Sporotrichoid pyogenic bacterial infection
S Tanaka1, T Mochizuki, S Watanabe
1Department of Dermatology, Shiga University of Medical Science, Otsu, Japan.
Summary
Pyogenic bacterial infections can mimic lymphocutaneous sporotrichosis. Prompt antibiotic treatment with cefaclor effectively resolved skin lesions in both reported cases, highlighting the importance of accurate diagnosis.
Area of Science:
- Dermatology
- Infectious Diseases
- Microbiology
Background:
- Lymphocutaneous sporotrichosis is a fungal infection with characteristic skin lesions.
- Differentiating fungal infections from bacterial mimics is crucial for effective treatment.
Observation:
- Two patients presented with cutaneous lesions initially suggestive of lymphocutaneous sporotrichosis.
- Cultures revealed pyogenic bacterial infections: Staphylococcus aureus and Streptococcus group A in one case, and S. aureus in the other.
- Histopathology in one case showed botryomyotic grains, associated with diffuse normolipidemic plane xanthoma.
Findings:
- Both patients were successfully treated with oral cefaclor.
- The pyogenic bacterial infections responded dramatically to cefaclor, leading to lesion resolution.
Implications:
- This highlights the potential for bacterial infections to mimic fungal diseases like sporotrichosis.
- Accurate microbiological diagnosis is essential for guiding appropriate antimicrobial therapy.
- Cefaclor demonstrates efficacy in treating these specific pyogenic bacterial skin infections.