HPB SO50 - A comprehensive review of clinical practice guidelines for managing hepatic adenoma

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Abstract Background Hepatic adenoma(HCA) are increasingly diagnosed as incidentalomas. Clinical implications and management vary across and within the different types of Hepatic adenomas. Practice guidelines are needed, because of the many variation, diagnostic tools, and conservative and invasive management protocols. Therefore, our aim was to systematically search for available clinical practice guidelines on hepatic adenoma, critically appraise them, and compare management recommendations. Method Systematic literature search was performed by two investigators using appropriate prespecified search terms within the bibliographic databases of MEDLINE, EMBASE, and PubMed. All HCA guidelines published in peer-reviewed, and English language journals were eligible for inclusion. Clinical practice guidelines on HCA were analysed, compared, and critically appraised using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses recommendations (PRISMA) 2020 checklist. Results The literature search yielded unique 199 papers, 187 were excluded after screening of title/abstract, and 9 after full-text screening. Guidelines included were: (EASL; 2016, (ACG; 2014), (SBH; 2015),). There were no set standards in the assessment methods for grading and gravity of recommendations between guidelines. Observed differences were: (1) indications for biopsy; (2) advices on contraceptive pills and follow-up; (3) use of an lesion centred approach to HCA; (4) lack of adequate treatment recommendations of HCA in male population ; and (5) approach to HCA depending on subtype varaition on magnetic resonance imaging. Conclusion Recognising differences in recommendations can assist in formulating practice standards and identify needs for research.