Tuberc Respir Dis > Volume 54(4); 2003 > Article
Tuberculosis and Respiratory Diseases 2003;54(4):459-466.
DOI:    Published online April 1, 2003.
A Case Report of Three Patients with Nontuberculous Mycobacterial Pulmonary Disease Caused by Mycobacterium kansasii.
Won Jung Koh, O Jung Kwon, Gee Young Suh, Man Pyo Chung, Hojoong Kim, Nam Yong Lee, Tae Sung Kim, Kyung Soo Lee, Eun Mi Park, Young Kil Park, Gill Han Bai
1Division of Pulmonary and Critical Care Medicine, Department of Medicine, Sungkyunkwan University School of Medicine, Seoul, Korea.
2Department of Laboratory Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
3Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4Korean Institute of Tuberculosis, Korean National Tuberculosis Association, Seoul, Korea.
Mycobacterium kansasii is the second most common cause of nontuberculous mycobacterial pulmonary disease in Western countries and Japan. The clinical and radiological features of pulmonary disease caused by M. kansasii usually resemble those of pulmonary tuberculosis including cavitary infiltrates with an upper lobe predilection. It is also now apparent that patients with M. kansasii pulmonary disease can present with noncavitary nodular bronchiectatic infiltrates similar to lung diseases of M.avium complex. With rifampin-containing regimens, treatment success rates are almost 100%. Timely diagnosis before the development of extensive disease and effective overall treatment strategies are very important to ensure that patients receive the appropriate medications for a sufficiently long period of time. To our knowledge, there has been no Korean case report of M. kansasii pulmonary disease in the immunocompetent patient until now. We report three cases of M. kansasii pulmonary disease in immunocompetent adult patients.
Key Words: Atypical mycobacteria, Mycobacterium kansasii, Lung diseases, Korea

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