Abstract
WEB This is a Web exclusive article. ocal nodular hyperplasia (FNH) is a benign condition of the liver occurring predominantly in young and middle-aged women. It is the second most common benign hepatic tumor, after hemangioma, with a prevalence of approximately 0.9% [1]. Because most cases are asymptomatic, FNH is often an incidental finding on imaging. The pathogenesis is unclear, although a preexisting arterial malformation or vascular injury with subsequent hyperplastic response and proliferation of vessels and bile ducts has been suggested [2]. Differentiation from hepatic adenoma, hepatocellular carcinoma, and hypervascularized metastasis is essential because asymptomatic FNH does not necessitate biopsy or surgical intervention [3].
Published Version
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