Tuberc Respir Dis.  2010 Oct;69(4):279-283. 10.4046/trd.2010.69.4.279.

A Case of Pulmonary and Endobronchial Mycobacterium avium Infection Presenting as an Acute Pneumonia in an Immunocompetent Patient

  • 1Department of Internal Medicine, Fatima Hospital, Daegu, Korea.


The global number of Mycobacterium avium complex (MAC) pulmonary infection is increasing. Patients with preexisting lung disease or who are immunodeficient are at the greatest risk for developing MAC infection. Endobronchial lesions with MAC infection are rare in the immunocompetent host. However, there have been an increasing number of reports of an immunocompetent host being afflicted with various manifestations of MAC infection. We report a case of pulmonary and endobronchial MAC infection presenting as an acute pneumonia in a 59-year-old female without preexisting lung disease or immunodeficiency.


Mycobacterium avium; Infection; Endobronchial; Pulmonary; Immunocompetent Host
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