Korean J Radiol. 2003 Apr-Jun;4(2):136-9.

Paratracheal air cysts: sonographic findings in two cases.

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Department of Diagnostic Radiology, Research Institute of Radiological Science, Seodaemun-gu, Seoul, Korea.

Abstract

We report two cases of paratracheal air cyst discovered incidentally at neck ultrasonography and confirmed at CT. The cysts were located at the inferoposterior aspect of the right lobe of the thyroid. Ultrasonography revealed an ill-defined hypoechoic mass containing hyperechoic foci which mimicked calcifications. Neck CT confirmed the presence of an ill-defined air pocket which communicated with the trachea through a slit.

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PMCID:: PMC2698072

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