Pictorial review details CT features of azygos venous system variants and acquired abnormalities, highlighting its critical function as a thoracoabdominal collateral pathway.
The azygos venous system is a crucial conduit of the posterior thorax and potentially vital collateral pathway. However, it is often overlooked clinically and radiologically. This pictorial essay reviews the normal azygos venous anatomy and CT findings of congenital variations and structural changes associated with acquired pathologies.
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Kim et al. (2024) studied this question.
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