Pitfalls with Masses of the Liver

Audience: Radiology Residents Fellows and Attendings

Learning Objectives:
Identify the distinguishing features of the most common hypervascular and hypovascular masses of the liver
Compare and contrast common benign and malignant liver lesions
Recognize exceptions and atypical presentations of lesions, particularily with Eovist/Primovist

Summary:
Sclerosed hemangiomas are a diagnosis of exclusion and can resemble metastasis or cholangiocarcinoma

Enhancement patterns of hemangioma can be atypical with Eovist
Well differentiated HCC, Adenoma, and rarely metastases can take up Eovist

Neuroendocrine tumor has a highly variable enhancement pattern

Focal fat can appear mass like

FNH demonstrates focal fatty sparing