Duodenal perforation in a 14-year-old boy with abdominal tuberculosis despite being on antituberculous treatment.

We are presenting a case of a 14-year-old male patient with known history of abdominal tuberculosis on medication for 4 months with frank peritonitis and air under the diaphragm found to have primary perforation of the duodenum due to tuberculosis. Tuberculosis is common in the third world but affects iliocaecal junction commonly. Cases with tuberculous duodenal are rarely reported in the literature.