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Radiology, Vol 121, 533-536, Copyright © 1976 by Radiological Society of North America

ARTICLES

Thickening of the posterior tracheal stripe: a sign of squamous cell carcinoma of the esophagus

CE Putman, AM Curtis, M Westfried and TC McLoud

A thickened posterior tracheal stripe (wider than 4.5 mm) was identified on the lateral check radiographs of 20 patients with squamous cell carcinoma of the esophagus. Autopsy studies confirmed that peri-esophageal lymphatic involvement was responsible for the thickening of the stripe in the nonobstructed esophagus. This sign appeared on the lateral chest radiograph as early as 6 months prior to the development of symptoms in 50% of the cases studied.




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