[How I explore … abdominal tuberculosis in children ?].

Tuberculosis (TB) is one of the top 10 causes of death worldwide. Abdominal TB is an uncommon presentation of TB and is challenging to diagnose due to its insidious onset. The most common forms in children are peritonitis and lymphadenitis. Diagnosis is based on radiological and histopathological findings. Specific PCR amplification confirms the diagnosis quicker than conventional cultures. The treatment includes a 6-month therapy and a close follow-up. This article describes the different methods allowing to confirm the diagnosis of abdominal TB.