Thymic sail sign

Case contributed by Dr Jose Miguel Alfaro Barrera

Presentation

Cough and fever of 3 days. Fine auscultatory wheezing in both lungs.

Patient Data

Age: 2 years
Gender: Female

Thymic sail sing

X-ray

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.

Case Discussion

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. 

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