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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