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Published in: Abdominal Radiology 12/2021

01-12-2021 | Magnetic Resonance Imaging | Review

Tumor in vein (LR-TIV) and liver imaging reporting and data system (LI-RADS) v2018: diagnostic features, pitfalls, prognostic and management implications

Authors: Roberta Catania, Kalina Chupetlovska, Amir A. Borhani, Ekta Maheshwari, Alessandro Furlan

Published in: Abdominal Radiology | Issue 12/2021

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Abstract

Vascular invasion by hepatocellular carcinoma (HCC), also known as tumor in vein (TIV), indicates highly invasive tumor behavior and is also associated with poor outcome. Because a diagnosis of TIV precludes liver transplantation, knowledge of the imaging findings to differentiate between TIV and bland thrombus is key for proper patient management. Prior versions of liver imaging reporting and data system (LI-RADS) included presence of TIV as part of LR-5 criteria. However, even if HCC is the most common liver malignancy associated with TIV, other tumors can have vascular invasion and may occur in cirrhotic patients. For these reasons, in LI-RADS v2017 LR-TIV has been introduced as a new different diagnostic category. The aim of this article is to discuss the diagnostic criteria of LR-TIV according to LI-RADS v2018 and analyze potential pitfalls encountered on daily clinical practice. Indeterminate cases and how to manage them will also be discussed.
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Metadata
Title
Tumor in vein (LR-TIV) and liver imaging reporting and data system (LI-RADS) v2018: diagnostic features, pitfalls, prognostic and management implications
Authors
Roberta Catania
Kalina Chupetlovska
Amir A. Borhani
Ekta Maheshwari
Alessandro Furlan
Publication date
01-12-2021
Publisher
Springer US
Published in
Abdominal Radiology / Issue 12/2021
Print ISSN: 2366-004X
Electronic ISSN: 2366-0058
DOI
https://doi.org/10.1007/s00261-021-03270-x

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