Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Inferior Vena Cava Anomalies with Portal Vein System Continuation Presenting as Portal Hypertension with a Long-term Follow-up
Masanori FukushimaHisamitsu MiyaakiRyu SasakiMasafumi HaraguchiSatoshi MiumaHideki IshimaruMasaaki HidakaSadayuki OkudairaSusumu EguchiMitsuru FutakuchiHironori KusanoMasayoshi KageKazuhiko Nakao
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JOURNAL OPEN ACCESS

2020 Volume 59 Issue 22 Pages 2897-2901

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Abstract

Inferior vena cava (IVC) anomalies, such as the absence of an intra-hepatic IVC or IVC hypoplasia, are rare. Usually, these anomalies are asymptomatic and cause few clinical issues. We herien report a 53-year-old woman with IVC anomalies who demonstrated both azygos and portal vein system continuation. Over time, this resulted in gradually progressive portal hypertension due to abnormal hemodynamics. The increased inflow from the IVC to the portal vein system for an extended time may contribute to the development of portal hypertension without liver cirrhosis.

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© 2020 by The Japanese Society of Internal Medicine
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