Transposition of great arteries (TGA)

Case contributed by Hani Makky Al Salam

Presentation

Respiratory distress and cyanosis

Patient Data

Age: 20 days
Gender: Male

There is an enlargement of the cardiac silhouette with narrowing of the superior mediastinum.  

Annotated image

An image of an egg on a string is superimposed on this chest radiograph to clarify the appearance of the egg on a string sign of transposition of the great arteries, with enlargement of the cardiac silhouette and atrophy of the thymus leading to narrowing of the upper mediastinum. 

Case Discussion

This case illustrates the characteristic x-ray features and clinical history of transposition of the great arteries

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