Enlarged azygos vein in an azygos fissure from azygos continuation of IVC

Case contributed by Dr Henry Knipe

Presentation

SOB

Patient Data

Age: 45
Gender: Female

Bibasal opacities with focal opacity in the right lower zone. Associated right sided volume loss. Blunting of right costodiaphragmatic contour. Normal cardiomediastinal contour. Incidental note of azygos lobe with distended azygos vein. 

Case Discussion

An enlarged azygos vein has a long list of causes. In this case it is due to azygos continuation of the IVC (confirmed on CT - not shown), a rare anatomical variant. This case also demonstrates an azygos lobe, which is a common anatomical variant. 

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Case Information

rID: 32069
Case created: 11th Nov 2014
Last edited: 31st Aug 2015
System: Chest
Inclusion in quiz mode: Included

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