Focal Nodular Hyperplasia of the Liver Presenting as Right Upper Quadrant Mass

[摘要] Background: Focal nodular hyperplasia (FNH) is the second most common benign liver tumor, which in the vast majority of cases occurs in young women. The lesion is often discovered incidentally as a result of the widespread availability and application of modern cross-sectional imaging on the abdomen. We herein present a case of symptomatic FNH that had successful resection. Case Report: A 22-year old female patient with a history of recurrent right upper quadrant abdominal pain of 11 years duration was reviewed in our facility. Abdominal examination revealed a roughly mobile oval swelling in the right upper quadrant. Contrast abdominal computerized tomography scan revealed a mass iso-attenuating in density relative to muscle, enhanced intravenous contrast and displacing bowel loops measuring 13.9×8.3 cm in the transverse mesocolon. She had resection of the mass with an excellent post-operative quality of life. Pathological examination using Hematoxylin-eosin staining examination revealed focal nodular hyperplasia of the liver. Conclusion: Symptomatic focal nodular hyperplasia can be safely resected with excellent rates of morbidity and zero mortality.

[学科分类] 生理学

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