Introduction ─ Multidrug-resistant tuberculosis is resistant to isoniazid and/or rifampicin. It is favored by poverty and infection with the human immunodeficiency virus. This retrospective, descriptive study aimed to determine the contribution of Xpert MTB/RIF® in the diagnosis of multidrug-resistant pulmonary tuberculosis in a semi-urban environment at the Peace Hospital of Ziguinchor in Senegal...