Presentation
Respiratory distress and cyanosis
Patient Data
Age: 20 days
Gender: Male
From the case:
Transposition of great arteries (TGA)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/878785/6d94534b9491028d4f6ce2d48d58ee_big_gallery.jpg)
There is an enlargement of the cardiac silhouette with narrowing of the superior mediastinum.
From the case:
Transposition of great arteries (TGA)
Download
Info
![](https://prod-images-static.radiopaedia.org/images/4812504/fa8622df9c63c4efe0b97beb02518d_big_gallery.jpg)
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.