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 Frank Gaillard had the following disclosures:
- Biogen Australia Pty Ltd, Investigator-Initiated Research Grant for CAD software in multiple sclerosis: finished Oct 2021 (past)
These were assessed during peer review and were determined to not be relevant to the changes that were made.View Frank Gaillard'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:
Recognition of any abnormality in the right paratracheal stripe is invaluable in ensuring the appropriateness in further investigation with CT 1.