Thymic sail sign
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Cough and fever of 3 days. Fine auscultatory wheezing in both lungs.
Thymic sail sing
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Both lungs are well aerated and free of infiltrates.
In the mediastinum, a triangular opacity of the right of the mediastinum (thymic sail sign).
Normal osseous structures.
The x-ray study (frontal chest radiograph) shows a normal thymus, The thymic sail sign is a triangular structure is seen to the right of the mediastinum, which is created by the right lobe of the thymus abutting the minor fissure.
- Nasseri and Eftekhari. Clinical and Radiologic Review of the Normal and Abnormal Thymus: Pearls and Pitfalls. RadioGraphics 2010; 30:413–428