Case Report: Disseminated Mycobacterium kansasii Disease in a Patient with Anti–Interferon-Gamma Antibody

Disseminated nontuberculous mycobacterial (NTM) infections usually occur in severely immunosuppressed patients. These infections may also occur in previously immunocompetent patients with acquired anti–interferon-gamma antibodies (anti–IFN-γ Abs). A previously healthy 33-year-old man presented with a 3-week history of cough and fever. Chest computed tomography showed air-space consolidation in the middle lobe of the right lung and enlargement of...