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Mycobacterium xenopi arthritis
1Department of Medicine, Sunnybrook Health Science Centre, University of Toronto, Ontario, Canada.
The Journal of Rheumatology
|May 23, 1998
Summary
Osteoarticular Mycobacterium xenopi infections are rare, affecting patients with dermatomyositis. Early diagnosis and triple antituberculous therapy are crucial for treating this shoulder arthritis.
Area of Science:
- Infectious Diseases
- Rheumatology
- Mycobacterial Infections
Background:
- Osteoarticular infections caused by Mycobacterium xenopi are exceptionally rare.
- Dermatomyositis is an autoimmune disease primarily affecting the skin and muscles.
Observation:
- A case of isolated shoulder arthritis in a patient with dermatomyositis is presented.
- Diagnosis of Mycobacterium xenopi infection was delayed by seven months.
- Only two out of five joint aspirates yielded positive cultures for Mycobacterium xenopi.
Findings:
- The patient's shoulder arthritis was attributed to Mycobacterium xenopi.
- Successful treatment was achieved with triple antituberculous therapy.
Implications:
- This case highlights the diagnostic challenges in rare osteoarticular mycobacterial infections.
- Prompt and appropriate antimicrobial therapy is essential for favorable outcomes.
- Further research may elucidate the link between autoimmune conditions and atypical mycobacterial infections.