Isolated Pulmonary Mycobacterium Avium Complex Infection In Patients With Human Immunodeficiency Virus Infection: Case Reports And Literature Review

We report 4 cases of isolated pulmonary Mycobacterium avium complex ( MAC) infection and review the 20 previously reported cases in the human immunodeficiency virus literature. All 4 patients had acquired immune deficiency syndrome, and 3 were believed to have had an immune reconstitution syndrome as a cause of MAC infection. Two patients underwent bronchoscopy with biopsy, revealing endobronchial lesions and granuloma formation, and all 4 patients responded well to MAC therapy.