A case of infrahepatic incomplete interruption of inferior vena cava with both azygos and portal system continuation

Kiyono Soichiro, Maruyama Hitoshi, Kobayashi Kazufumi, Chiba Tetsuhiro, Yokosuka Osamu

doi:10.2957/kanzo.58.338

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Other Title

奇静脈結合と門脈結合の両者を合併した下大静脈低形成の一例
症例報告奇静脈結合と門脈結合の両者を合併した下大静脈低形成の一例
ショウレイホウコクキジョウミャクケツゴウトモンミャクケツゴウノリョウシャオガッペイシタシタダイジョウミャクテイケイセイノイチレイ

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<p>A 25-year-old male was admitted to our hospital to undergo detailed evaluation of liver disease and abdominal hemodynamics because of suspicious abnormality of inferior vena cava (IVC) on computed tomography. Doppler ultrasonography showed tortuous-shaped vessel at the hepatic tract of IVC with continuous blood flow. Furthermore, he was accompanied with splenorenal shunt showing bidirectional flow or hepatopetal direction and cystic dilatation at the left renal vein. These findings were confirmed by angiogram, which also revealed continuation of IVC with azygos vein. There were no abnormal findings on liver biopsy sample and hepatic venous pressure gradient (0.74 mmHg), however he was accompanied with splenomegaly probably due to the increased inflow to portal system. Although congenital anomalies of the IVC are increasingly recognized even in asymptomatic condition with frequent use of radiological imaging, this is a very rare case of infrahepatic incomplete interruption of IVC with both azygos and portal continuation.</p>

Journal

Kanzo

Kanzo 58 (6), 338-343, 2017

The Japan Society of Hepatology

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