Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
A Right Paratracheal Air Cyst Caused by Tracheal Diverticula
Tomohide SatoYuko SasakiMotohisa YamasakiMikayo AragakiSunao MaeTetsuya IrieYuki Sumi
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JOURNALS OPEN ACCESS

2010 Volume 49 Issue 4 Pages 315-319

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Abstract

A 65-year-old woman presented with pain in her throat and neck. Thin-section computed tomography (CT) revealed an air-filled lesion at the right paratracheal region and two narrow connections to the trachea. Flexible bronchoscopy showed four diverticula 4-5 cm below the vocal cords in the right lateral part of the trachea. Consistent with the CT findings, two of the diverticula were deep. A radiological barium swallow study and an esopagogastroduodenal endoscopic examination revealed no abnormalities. We therefore believe that her right paratracheal air cyst is an extension of a tracheal diverticulum. Right-sided paratracheal air cysts at the level of the thoracic inlet are a common finding on CT and should not be confused with pneumomediastinum in order to avoid unnecessary examinations or treatments.

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© 2010 by The Japanese Society of Internal Medicine
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