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Bacille Calmette-Guérin osteomyelitis of the proximal femur
P K Chan1, Bobby K W Ng, C Y Wong
1Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Shatin, Hong Kong. lewis@graduate.hku.hk
Insights
Bacille Calmette-Guérin (BCG) osteomyelitis is a rare complication of BCG vaccination in newborns. This case report highlights the first documented instance in Hong Kong, emphasizing early diagnosis and treatment.
Area of Science:
- Pediatrics
- Infectious Diseases
- Orthopedics
Background:
- Newborns in Hong Kong receive the bacille Calmette-Guérin (BCG) vaccination.
- Potential complications include abscesses, osteomyelitis, and lymphadenitis.
Observation:
- Few cases of BCG osteomyelitis reported in Asia.
- This is the first reported case of BCG osteomyelitis in Hong Kong.
Findings:
- BCG osteomyelitis is a rare but serious complication of BCG vaccination.
- Early diagnosis via image-guided biopsy and PCR is crucial.
Implications:
- Clinicians should maintain a high index of suspicion for BCG osteomyelitis in vaccinated infants.
- Prompt diagnosis and chemotherapy are essential for effective management of BCG osteomyelitis.
Abstract:
All newborns in Hong Kong are given bacille Calmette-Guérin vaccinations. Reported complications include formation of regional and extra-regional localised abscesses, osteomyelitis, and lymphadenitis. Several cases of bacille Calmette-Guérin osteomyelitis have been reported in Europe, but there are few reports of this in Asia. To the author's knowledge, this is the first case report of bacille Calmette-Guérin osteomyelitis in Hong Kong. Bacille Calmette-Guérin osteomyelitis, although rare, should be kept in mind as a potential complication of bacille Calmette-Guérin vaccination. Clinical suspicion, early diagnosis using an image-guided tissue biopsy and polymerase chain reaction study, and early commencement of chemotherapy are key to the effective management of this problem.
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