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Metastatic osteomyelitis following BCG vaccination
Acta Orthopaedica Scandinavica
|April 1, 1978
Summary
A child developed bone infection (osteomyelitis) after BCG vaccination. The infection was caused by mycobacteria indistinguishable from the vaccine strain.
Area of Science:
- Pediatric infectious diseases
- Skeletal infections
- Mycobacterial research
Background:
- Bacille Calmette-Guérin (BCG) vaccination is a common preventative measure for tuberculosis.
- Adverse reactions to BCG vaccination are typically localized.
- Osteomyelitis is a serious bone infection requiring prompt diagnosis and treatment.
Observation:
- An 8-year-old girl presented with osteomyelitis of the left calcaneus.
- The patient had received BCG vaccination previously without immediate regional complications.
- Symptoms appeared 7 months post-vaccination.
Findings:
- Culture of bone abscess aspirate revealed mycobacteria.
- The isolated mycobacteria were indistinguishable from the BCG vaccine strain.
- The patient successfully healed after 1 year of surgical intervention and chemotherapy.
Implications:
- This case highlights a rare, delayed osteomyelitis complication potentially linked to BCG vaccination.
- It underscores the importance of considering atypical mycobacterial infections post-vaccination.
- Further research may be needed to understand the pathogenesis of such delayed BCG-related skeletal infections.