Aim To identify patient and lesion characteristics associated with the occurrence of single or multiple hepatocellular adenoma (HCA).
Patients and methods Using a tertiary centre database, we retrospectively collected information on patient and lesion characteristics, management and follow-up of all patients with HCA included between 2001 and 2016. Patients were classified into three groups; patients with a single HCA, 2-9 HCA and at least 10 HCA.
Results A total of 458 patients were diagnosed with HCA, including 121 (26.4%) with single HCA, 235 (51.3%) with 2-9 HCA and 102 (22.3%) with at least 10 HCA. Significant differences in the mean BMI were found, with the highest BMI in patients with more than 10 HCA (P<0.05). The mean BMI was significantly higher in patients with inflammatory HCA compared with steatotic HCA (31 vs. 26, respectively, P<0.05). Steatotic HCA were more often single lesions (22/55, 40%), whereas patients with inflammatory HCA were often diagnosed with multiple lesions (122/166, 73%).
Conclusion Our series show a significantly higher BMI and frequency of inflammatory HCA in patients with multiple HCA compared with single HCA.

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European Journal of Gastroenterology and Hepatology
Department of Surgery

Bröker, M., Gaspersz, M., Klompenhouwer, A. J., Hansen, B., Terkivatan, T., Taimr, P., … IJzermans, J. (2017). Inflammatory and multiple hepatocellular adenoma are associated with a higher BMI. European Journal of Gastroenterology and Hepatology, 29(10), 1183–1188. doi:10.1097/MEG.0000000000000930