Journal of Yeungnam Medical Science

Case Report

Bronchogenic cyst masquerading as malignant pericardial effusion with tamponade: Kang Un Choi, Byung Jun Kim, Hong Ju Kim, Jang Won Son, Jong Seon Park, Dong Gu Shin, Young Jo Kim; Yeungnam Univ J Med. 2017;34(1):91-95. Published online June 30, 2017; DOI: https://doi.org/10.12701/yujm.2017.34.1.91

Abstract PDF: We report on a rare case involving a 23-year-old female patient with mediastinal cystic mass complicated with acute pericarditis and cardiac tamponade. Pericardial fluid demonstrated lymphocyte-predominant exudate and the level of carcinoembryonic antigen (CEA) was unexpectedly elevated. Successive aspiration of mediastinal cystic mass revealed a very high level of CEA (>100,000 U/mL) and carbohydrate antigen 19-9 (>15,000 ng/mL). This patient was clinically diagnosed as an infected bronchogenic cyst complicated with pericarditis and cardiac tamponade. The treatment resulted in alleviation of her symptoms.

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