Total anomalous pulmonary venous return

Case contributed by Vincent Tatco


Known case of cyanotic congenital heart disease with shortness of breath

Patient Data

Age: 15 years
Gender: Male

There is cardiomegaly with an abnormal ovoid density at the superior mediastinum resulting to a "snowman" or "figure of 8" appearance of the cardiomediastinal shadow on frontal projection.  

Increased pulmonary vascularity (pulmonary plethora) is also demonstrated. 

Annotated image

Annotated image showing the snowman sign.

Author: Vincent Tatco

License: CC-NC-BY-SA

Case Discussion

These are chest radiographs of a diagnosed case of supracardiac type total anomalous pulmonary venous return.

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