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Unveiling the unreal: Comprehensive imaging review of hepatic pseudolesions

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Version 2 2023-10-24, 06:10
Version 1 2023-10-24, 05:43
journal contribution
revised on 2023-10-24, 06:09 and posted on 2023-10-24, 06:10 authored by Subramaniyan Ramanathan, Vineetha Raghu, Vivek Virmani, Adnan Sheikh, Mahmoud Al Heidous, SreeHarsha Tirumani

Hepatic pseudolesions are defined as non-neoplastic focal abnormalities of the liver which can mimic or conceal true liver lesions. It is particularly common in liver due to its unique dual blood supply and the existence of multilevel anastomosis between them. Because of the recent advances in CT and MRI technology, they are being increasingly encountered in daily practice. Broadly they can be categorised in to (1) Focal parenchymal abnormalities like focal fatty change, focal fat sparing, focal confluent fibrosis, segmental hypertrophy and regenerative nodules, (2) Perfusion abnormalities which include transient hepatic parenchymal enhancement in portal vein obstruction, third inflow, intrahepatic shunts, hepatic arterial occlusion and hepatic venous obstruction, (3) Imaging pitfalls like parenchymal compression, unenhanced vessels and pseudolipoma. It is essential for the radiologists to be familiar with the typical and atypical imaging features of pseudolesions to avoid mistaking them for sinister pathologies and also to avoid overlooking underlying hidden pathologies.

Other Information

Published in: Clinical Imaging
License: http://creativecommons.org/licenses/by/4.0/
See article on publisher's website: https://dx.doi.org/10.1016/j.clinimag.2021.09.008

Funding

Open Access funding provided by the Qatar National Library

History

Language

  • English

Publisher

Elsevier

Publication Year

  • 2021

License statement

This Item is licensed under the Creative Commons Attribution 4.0 International License

Institution affiliated with

  • Hamad Medical Corporation
  • Al Wakra Hospital - HMC
  • Weill Cornell Medicine - Qatar

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