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Journal of Case Reports
Focal Nodular Hyperplasia of the Liver Presenting as Right Upper Quadrant Mass
Adedapo Olumide Osinowo1, Olanrewaju S Balogun1, Thomas O Olajide1, Kabir B Badmos2 
1Department of Surgery, General Surgery Unit; 2Department of Anatomic and Molecular Pathology; College of Medicine, University of Lagos and Lagos University Teaching Hospital, Surulere, Lagos.
Corresponding Author:
Dr. Adedapo Olumide Osinowo
Email: dapoosinowo20002000@yahoo.com
Received: 03-MAY-2018 Accepted: 26-JUN-2018 Published Online: 20-AUG-2018
DOI: http://dx.doi.org/10.17659/01.2018.0053
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.
Keywords : Abdomen, Abdominal Pain, Focal nodular hyperplasia, Liver Neoplasms, Tomography.
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