Right paratracheal stripe
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At the time the article was created Jeremy Jones had no recorded disclosures.View Jeremy Jones's current disclosures
At the time the article was last revised Daniel J Bell had no financial relationships to ineligible companies to disclose.View Daniel J Bell's current disclosures
The right paratracheal stripe is a normal finding on the frontal chest x-ray and represents the right tracheal wall, adjacent pleural surfaces and any mediastinal fat between them. It is visible because of the silhouette sign created by air within the trachea medially and air within the lung laterally.
It normally measures less than 4 mm 1,2 and thickening is non-specific but may represent 3:
post esophagectomy with stomach pull through or colonic interposition (look for the feeding tube)
Recognition of any abnormality in the right paratracheal stripe is invaluable in ensuring the appropriateness in further investigation with CT 1.
seen in ~90% (range 83-97%) of normal PA chest x-rays 2,3
appears as a stripe that extends from the level of the clavicles to the right tracheobronchial angle at the level of the azygos arch
is usually in continuity with the right-sided great vessels superiorly and azygos vein inferiorly
- 1. Gibbs J, Chandrasekhar C, Ferguson E, Oldham S. Lines and Stripes: Where Did They Go?--From Conventional Radiography to CT. Radiographics. 2007;27(1):33-48. doi:10.1148/rg.271065073 - Pubmed
- 2. Woodring, J.H. & Daniel, T.L.. (1986). Mediastinal analysis emphasizing plain radiographs and computed tomograms. Med Radiogr Photogr. 62. 1-49.
- 3. Marano R, Liguori C, Savino G, Merlino B, Natale L, Bonomo L. Cardiac Silhouette Findings and Mediastinal Lines and Stripes: Radiograph and CT Scan Correlation. Chest. 2011;139(5):1186-96. doi:10.1378/chest.10-0660 - Pubmed