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KMID : 0383820130750010025
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Tuberculosis and Respiratory Diseases
2013 Volume.75 No. 1 p.25 ~ p.27
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Normalization of Elevated CA 19-9 Level after Treatment in a Patient with the Nodular Bronchiectatic Form of Mycobacterium abscessus Lung Disease
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Chang Bok-Soon
Han Seo-Goo
Kim Woo-Youl
Ko You-Sang
Song Jun-Whi
Hong Goo-Hyeon
Eom Jung-Seop
Lee Ji-Hyun
Jhun Byung-Woo
Koh Won-Jung
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Abstract
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Carbohydrate antigen 19-9 (CA 19-9) is a widely-used tumor marker in patients with pancreatic cancer. However, some patients with respiratory disease also exhibit elevated serum CA 19-9 levels. We report a case of normalization of elevated serum CA 19-9 levels after treatment of the nodular bronchiectatic form of Mycobacterium abscessus lung disease. A 40-year-old man visited our hospital because of chronic cough and sputum. A computed tomography scan revealed severe bronchiectasis in the right upper and right middle lobes. Nontuberculous mycobacteria were repeatedly isolated and identified as M. abscessus. The serum CA 19-9 level was elevated to 142.35 U/mL (normal range, <37 U/mL). Surgical resection was performed because of failure of sputum conversion after antibiotic treatment. The serum CA 19-9 level returned to the normal range after surgery. This case suggested that serum CA 19-9 levels could be elevated in patients with the nodular bronchiectatic form of M. abscessus lung disease.
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KEYWORD
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Bronchiectasis, CA 19-9 Antigen, Nontuberculous Mycobacteria
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