Year 2023 / Volume 115 / Number 8
Digestive Diseases Image
Steatotic hepatocellular adenoma: an unusual cause of a hypermetabolic liver lesion

452-453

DOI: 10.17235/reed.2022.9026/2022

Javier Villena Salinas, Antonio Jesús Montellano Fenoy, Salomé Sanz Viedma, Miguel Ángel Suárez Muñoz,

Abstract
A 22-year-old woman with a history of surgically treated pelvic teratoma and solid liver lesion in the extension study. Radiological follow-up was decided. This liver lesion experienced a progressive increase in size, reaching 6 cm. Contrast-enhanced liver MRI was performed, revealing a heterogeneous mass in the right hepatic lobe with non-hepatocyte-like behaviour. With this information, the following entities were ruled out: haemangioma, adenoma, hepatocarcinoma and focal nodular hyperplasia. Given that it could be a teratoma metastasis, a tumour of any other origin or a non-tumoral lesion with no hepatocyte component, it was decided to perform a 2-[18F]FDG PET/CT scan. It showed the liver mass with notable glycolytic hypermetabolism, suggestive of malignancy. In a multidisciplinary committee, it was decided to perform a laparoscopic right hepatectomy. Pathological examination revealed a benign hepatocytic lesion compatible with a steatotic adenoma.
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References
1. Lim D, Lee SY, Lim KH, Chan CY. Hepatic adenoma mimicking a metastatic lesion on computed tomography-positron emission tomography scan. World J Gastroenterol [Internet]. 2013 Jul 21;19(27):4432–6. Available from: http://www.wjgnet.com/1007-9327/full/v19/i27/4432.htm
2. Lee SY, Kingham TP, LaGratta MD, Jessurun J, Cherqui D, Jarnagin WR, et al. PET-avid hepatocellular adenomas: incidental findings associated with HNF1-α mutated lesions. HPB [Internet]. 2016 Jan;18(1):41–8. Available from: http://dx.doi.org/10.1016/j.hpb.2015.07.001
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Villena Salinas J, Montellano Fenoy A, Sanz Viedma S, Suárez Muñoz M. Steatotic hepatocellular adenoma: an unusual cause of a hypermetabolic liver lesion. 9026/2022


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Publication history

Received: 21/06/2022

Accepted: 28/06/2022

Online First: 06/07/2022

Published: 26/07/2023

Article Online First time: 15 days

Article editing time: 400 days


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