Tuberc Respir Dis > Volume 66(2); 2009 > Article
Tuberculosis and Respiratory Diseases 2009;66(2):136-140.
DOI:    Published online February 1, 2009.
Mediastinal Bronchogenic Cyst, which was Grown Rapidly.
Chul Kim, Yang Ki Kim, Young Mok Lee, Ki Up Kim, Hyun Zo Kim, Jung Hwa Hwang, Dong Won Kim, Soo Taek Uh
1Department of Internal medicine, Soonchunhyang University College of Medicine, Seoul, Korea.
2Department of Chest Surgery, Soonchunhyang University College of Medicine, Seoul, Korea.
3Department of Radiology, Soonchunhyang University College of Medicine, Seoul, Korea.
4Department of Pathology, Soonchunhyang University College of Medicine, Seoul, Korea.
Bronchogenic cyst arises from anomalous budding of the primitive foregut during embryonic development and it represents a part of the spectrum of bronchopulmonary foregut malformations. Approximately two-thirds of the malformations are found within the mediastinum, and one-third are found in the lung parenchyma. The prevalence of bronchogenic cyst is unknown, presumably because most patients are asymptomatic. Incidentally detected bronchogenic cysts are usually removed at the time of diagnosis. We do not know how and why bronchogenic cysts grow. We recently experienced a case of rapidly growing mediastinal mass in a young adult, and this presented as a huge mass that had newly developed within one year. This mass was pathologically confirmed to be a bronchogenic cyst. We report on this case of a rapidly growing bronchogenic cyst, which is a rare characteristic of this type of cyst.
Key Words: Bronchogenic cyst, Mediastinum

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