Pseudolesions of the liver

Last revised by Benjamin Li Shun Chan on 29 Jul 2023

Pseudolesions of the liver can be mistaken for primary hepatic tumors or metastases and are due to hemodynamic alterations which affect hepatic enhancement. There is no associated mass effect.

They can be classified into:

The characteristic locations are:

  • around the gallbladder fossa

  • the anteromedial aspect of the left lobe

  • the posterior region of the medial segment of the left lobe, anterior to the right portal vein

Hepatic pseudolesions may also result from focal parenchymal steatosis or sparing, focal hypertrophy or imaging pitfalls 3.

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