Hepatic Focal Nodular Hyperplasia

This liver lesion, with a characteristic central scar, was identified in a young adult and was diagnosed by pathology as focal nodular hyperplasia. What statement is most accurate regarding focal nodular hyperplasia?a.Focal nodular hyperplasia usually affects young womenb.Focal nodular hyperplasia almost always occurs in a background of cirrhosisc.Focal nodular hyperplasia is almost always symptomaticd.Focal nodular hyperplasia is always a single lesion Answer: a. Focal nodular hyperplasia usually affects young women Focal nodular hyperplasia is most common in young adult women but also occurs in men.1Mortele K.J. Ross P.R. Benign liver neoplasms.Clin Liver Dis. 2002; 6: 119-145Abstract Full Text Full Text PDF PubMed Scopus (50) Google Scholar It is often an incidental finding but may be symptomatic due to size or hemorrhage. Focal nodular hyperplasia is a benign lesion and is thought to develop as a result of a localized vascular shunt. Although most cases of focal nodular hyperplasia occur as a single lesion, multiple focal nodular hyperplasia can occur.