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KMID : 0384320160370040248
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Korean Journal of Family Medicine
2016 Volume.37 No. 4 p.248 ~ p.252
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Multiple Cavitary Pulmonary Nodules Caused by Mycobacterium intracellulare
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Yoo Sang-Hoon
Kim Seo-Ree
Choi Joon-Young
Choi Jae-Woo
Ko Yu-Mi
Jang Sun-Hee
Park Jun-Kyu
Sung Ye-Gyu
Park Yun-Jung
Oh Su-Yun
Bahk Se-Young
Lee Ju-Hyun
Kim Myung-Sook
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Abstract
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Nontuberculous mycobacteria (NTM) have been increasingly recognized as an important cause of chronic pulmonary infections. The Mycobacterium avium complex (MAC), which is composed of two species, Mycobacterium avium and Mycobacterium intracelluare, is the most commonly encountered pathogen associated with NTM lung disease. MAC pulmonary infection typically presents in a fibrocavitary form or a nodular bronchiectatic form. However, there have been atypical presentations of MAC pulmonary infections, including solitary pulmonary nodules (SPN). There have been several previous reports of SPN due to MAC infection in the United States, Japan, and Korea. In 2009, Sekine and colleagues reported a case of MAC pulmonary infection presenting with multiple nodules. To date, however, there have been no cases of NTM lung infection with multiple cavitary pulmonary nodules, and neither a fibrotic change nor nodular bronchiectasis. The present case showed a multiple cavitating nodular lung infection due to MAC, which is very rare and different from the typical presentation of MAC pulmonary infections. We also showed that percutaneous transthoracic needle aspiration can be a useful diagnostic tool to evaluate a case of multiple cavitary nodules.
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KEYWORD
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Mycobacterium avium Complex, Multiple Cavitary Pulmonary Nodule, Percutaneous Transthoracic Needle Aspiration
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