Inferior vena cava web
Citation, DOI, disclosures and article data
Citation:
Khader.O.Thabet M, Knipe H, Bell D, Inferior vena cava web. Reference article, Radiopaedia.org (Accessed on 28 Mar 2025) https://doi.org/10.53347/rID-43041
Permalink:
rID:
43041
Article created:
21 Feb 2016,
Mohammed Al Khader.O.Thabet
Disclosures:
At the time the article was created Mohammed Al Khader.O.Thabet had no recorded disclosures.
View Mohammed Al Khader.O.Thabet's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Henry Knipe had the following disclosures:
- Radiopaedia Events Pty Ltd, Speaker fees (past)
- Integral Diagnostics, Shareholder (ongoing)
- Micro-X Ltd, Shareholder (ongoing)
These were assessed during peer review and were determined to not be relevant to the changes that were made.
View Henry Knipe's current disclosures
Revisions:
5 times, by
3 contributors -
see full revision history and disclosures
Systems:
Tags:
Synonyms:
- IVC webs
Inferior vena cava (IVC) webs are an uncommon condition characterized by obstruction of the hepatic segment of the inferior vena cava by a membrane or fibrous band. This is often associated with occlusion of one or more of the hepatic veins.
On this page:
Clinical presentation
If there is hepatic vein involvement, patients may present with Budd-Chiari syndrome.
Pathology
Etiology
It may be a congenital/developmental anomaly. More commonly they arise as fibrotic bands as post-thrombotic sequelae with the regressed thrombus replaced by a fibrous laminar structure. It can lead to hepatic outflow obstruction.
Radiographic features
- intrahepatic IVC may have a linear filling defect representing the web
- features of hepatic vein obstruction may be present (also see: Budd-Chiari syndrome):
- flow reversal on Doppler ultrasound
- non-obstructed hepatic veins may be dilated
- collateral pathways between obstructed hepatic veins
References
- 1. Smillie R, Shetty M, Boyer A, Madrazo B, Jafri S. Imaging Evaluation of the Inferior Vena Cava. Radiographics. 2015;35(2):578-92. doi:10.1148/rg.352140136 - Pubmed
- 2. Vijayaraghavan S, Ramchandran P, Cherian M. Valvular-Type Membranous Obstruction of the Inferior Vena Cava with Vertebral Collaterals: Color Doppler Findings. J Ultrasound Med. 2003;22(2):233-7. doi:10.7863/jum.2003.22.2.233 - Pubmed
- 3. Bozorgmanesh A, Selvam D, Caridi J. Budd-Chiari Syndrome: Hepatic Venous Web Outflow Obstruction Treated by Percutaneous Placement of Hepatic Vein Stent. Semin Intervent Radiol. 2007;24(1):100-5. doi:10.1055/s-2007-971200 - Pubmed
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