• J Coll Physicians Surg Pak · Aug 2022

    Case Reports

    Two Cases of Interrupted Inferior Vena Cava with Azygos / Hemiazygos Continuation.

    • Saerah Iffat Zafar, Aliya Halim, Waqas Khalid, Mobeen Shafique, and Hina Nasir.
    • Armed Forces Institute of Radiology and Imaging (AFIRI), Rawalpindi, Pakistan.
    • J Coll Physicians Surg Pak. 2022 Aug 1; 32 (8): S101-S103.

    AbstractInterrupted inferior vena cava (IVC) is a rare disease, occurring either in isolation or in association with asplenia or polysplenia syndromes. Infrahepatic part of the IVC is absent representing the failure of fusion of the vitelline and subcardinal embryological portions of the IVC. It is replaced by an enlarged azygos or hemiazygos vein continuing into the thorax, either into the superior vena cava or into the brachiocephalic veins. We present two cases of interrupted IVC, one occurring in isolation with hemiazygos continuation and discovered incidentally, and the second one is a child with azygos continuation, associated with polysplenia syndrome. Key Words: Inferior vena cava, Polysplenia, Azygous vein, Hemiazygos vein.

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