Journal List > Tuberc Respir Dis > v.64(5) > 1001233

Huh, Lee, Koo, Shin, Um, Yang, Lee, Son, Roh, Kim, Lee, and Choi: A Case of Bronchiectasis with High Serum CA19-9

Abstract

An elevated serum CA19-9 level is an indication of pancreatic and biliary tract cancer. However, it has recently become known that nonmalignant gastrointestinal diseases and a variety of nonmalignant respiratory diseases, such as idiopathic interstial pneumonia, collagen vascular disease associated lung diseases, diffuse panbronchiolitis and bronchiectasis, can also show an elevated serum CA19-9 level. We recently encountered a case of bronchiectasis with persistently elevated serum CA19-9, but without any evidence of malignant disease in endoscopic retrograde pancreatocholangiography, abdominal computed tomography, and positron emission tomography. After serial follow-up of 3 years and 10 months, there was still no evidence of cancer. It is believed that the elevated serum CA19-9 level was due to bronchiectasis. An elevated serum CA19-9 level should be interpreted carefully with the patients' clinical condition.

Figures and Tables

Figure 1
Abdominal computed tomography scan showed normal pancreas without tumor.
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Figure 2
Chest computed tomography showed diffuse hazziness along the bronchial tree (A) and fibrostenotic right middle lobe and traction bronchiectasis (B).
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