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Botryomycosis caused by Moraxella nonliquefaciens
1North Carolina Memorial Hospital, University of North Carolina, Chapel Hill 27514.
Cutis
|February 1, 1989
Summary
Botryomycosis, a bacterial infection, can be caused by unusual bacteria like Moraxella nonliquefaciens. This case highlights successful treatment through surgical excision and grafting for this rare hand infection.
Area of Science:
- Infectious Diseases
- Bacteriology
- Dermatology
Background:
- Botryomycosis is a chronic bacterial infection characterized by granule formation within tissues.
- Staphylococcus aureus is the most frequent pathogen, but diverse bacteria can be implicated.
- Pathogenesis involves factors like foreign bodies, microbial virulence, and host immune status, often leading to antibiotic resistance.
Observation:
- A rare case of botryomycosis affecting the hand is presented.
- The causative agent identified was Moraxella nonliquefaciens, a bacterium not previously linked to botryomycosis.
- This organism is generally considered to have low virulence.
Findings:
- The hand infection caused by Moraxella nonliquefaciens demonstrated resistance to typical antibiotic therapies.
- Surgical intervention, specifically excision of infected tissue and subsequent grafting, proved effective.
Implications:
- This case expands the spectrum of known bacterial causes of botryomycosis.
- It suggests that even low-virulence organisms can cause significant infections under certain conditions.
- Successful treatment via surgical management underscores its importance in recalcitrant botryomycosis cases.