Poncet's Arthritis in a Patient with Multidrug-Resistant Tuberculosis.

A 17-year-old female diagnosed to have multidrug-resistant pulmonary tuberculosis (MDR-TB), presented with Poncet's arthritis which responded to second-line anti-TB treatment. Poncet's disease is more commonly present in association with extra-pulmonary TB and involves large and small joints. However, our patient had pulmonary MDR-TB and small joint involvement.