Bacille Calmette-Guérin Vaccine-Induced Tuberculous Elbow Osteomyelitis in an Infant: A Case Report.

BCG osteomyelitis is difficult to diagnose because of its rarity. It is important to suspect BCG osteomyelitis based on symptoms and blood tests and to perform PCR testing. Long-term follow-up after treatment is necessary to monitor for recurrence and avoid growth disturbances until epiphyseal line closure occurs.