Left paratracheal stripe
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At the time the article was created Henry Knipe had no recorded disclosures.View Henry Knipe's current disclosures
At the time the article was last revised Patrick J Rock had no recorded disclosures.View Patrick J Rock's current disclosures
The left paratracheal stripe is formed by the interface of the medial pleural surface of the left upper lobe and left lateral border of the trachea and/or the fat adjacent 1 with air within each structure forming the outline. It may not be visible if the left upper lobe contacts the left subclavian artery or left common carotid artery 2.
Abnormal widening or contour may be due to 1,2:
Recognition of any abnormality in the left paratracheal stripe is invaluable in ensuring the appropriateness in further investigation with CT.