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Tuberc Respir Dis (Seoul). 2013 Jan;74(1):28-31. doi: 10.4046/trd.2013.74.1.28. Epub 2013 Jan 31.

A Case of Congenital Cystic Adenomatoid Malformation Infected with Mycobacterium avium-intracellulare Complex.

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  • 1Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea.


We present a case of congenital cystic adenomatoid malformation (CCAM) in a 25-year-old male who was presented with chronic cough. Chest radiography revealed an abnormal mass-like shadow in the right lower pulmonary zone. A contrast enhanced computed tomography showed an 11 cm solid, cystic mixed mass on the right lower lobe. A right lower lobectomy was performed by video-assisted thoracoscopic surgery without complications. The gross specimen showed a massive cavitation with multiloculated cysts of varying size, consistent with CCAM, along with noticeable granulomatous inflammation. Non-tuberculosis mycobacteria were isolated from a bronchial wash specimen, and the resected tissue homogenates were positive for Mycobacterium avium-intracellulare complex by polymerase chain reaction.


Cystic Adenomatoid Malformation of Lung, Congenital; Mycobacterium avium Complex; Nontuberculous Mycobacteria

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