Case 347:   Adenoma

Diagnostic Category:

Clinical Presentation:

35 year old woman with epigastric pain.

MR: Fatty adenoma

Imaging Findings:

MR demonstrates a large exophytic hypervascular hepatic adenoma in the left hepatic lobe. It shows substantial signal drop out on the opposed phase image, representing fat content. Typical is also the only mild hyperintesity on T2. The hepatobiliary phase shows hypointensity suggesting lack of functioning hepatocytes, differentiating the adenoma from an FNH.

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