Lymphadenitis associated with Bacillus Calmette-Guérin vaccination

Bacillus Calmette- Guerin(BCG) is still an effective way to prevent tuberculosis, but BCG vaccination reaction has various forms, mainly including lymphadenitis associated with BCG vaccination and disseminated BCG disease, the latter is relatively rare, lymphadenitis associated with BCG vaccination is relatively common, it is unclear that diagnosis and treatment, especially the timing of treatment and the choice of treatment methods, and lack of authoritative guidelines.Through further understanding of the pathogenesis, risk factors, clinical classification and diagnosis of this disease, clinicians can choose the optimized treatment plan for this disease.At the same time, the development and use of new vaccines are expected to reduce the occurrence of this disease. Key words: Bacillus Calmette-Guerin; Lymphadenitis; Tuberculosis; Vaccine; Diagnosis