{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T00:21:45Z","timestamp":1789690905403,"version":"4.0.1"},"reference-count":142,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2024,8,21]],"date-time":"2024-08-21T00:00:00Z","timestamp":1724198400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancers"],"abstract":"<jats:p>An incidental focal liver lesion (IFLL) is defined as a hepatic lesion identified in a patient imaged for an unrelated reason. They are frequently encountered in daily practice, sometimes leading to unnecessary, invasive and potentially harmful follow-up investigations. The clinical presentation and the imaging aspects play an important role in deciding if, and what further evaluation, is needed. In low-risk patients (i.e., without a history of malignant or chronic liver disease or related symptoms), especially in those younger than 40 years old, more than 95% of IFLLs are likely benign. Shear Wave liver Elastography (SWE) of the surrounding liver parenchyma should be considered to exclude liver cirrhosis and for further risk stratification. If an IFLL in a low-risk patient has a typical appearance on B-mode ultrasound of a benign lesion (e.g., simple cyst, calcification, focal fatty change, typical hemangioma), no further imaging is needed. Contrast-Enhanced Ultrasound (CEUS) should be considered as the first-line contrast imaging modality to differentiate benign from malignant IFLLs, since it has a similar accuracy to contrast-enhanced (CE)-MRI. On CEUS, hypoenhancement of a lesion in the late vascular phase is characteristic for malignancy. CE-CT should be avoided for characterizing probable benign FLL and reserved for staging once a lesion is proven malignant. In high-risk patients (i.e., with chronic liver disease or an oncological history), each IFLL should initially be considered as potentially malignant, and every effort should be made to confirm or exclude malignancy. US-guided biopsy should be considered in those with unresectable malignant lesions, particularly if the diagnosis remains unclear, or when a specific tissue diagnosis is needed.<\/jats:p>","DOI":"10.3390\/cancers16162908","type":"journal-article","created":{"date-parts":[[2024,8,22]],"date-time":"2024-08-22T04:26:57Z","timestamp":1724300817000},"page":"2908","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["WFUMB Review Paper. Incidental Findings in Otherwise Healthy Subjects, How to Manage: Liver"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0179-1014","authenticated-orcid":false,"given":"Roxana","family":"\u0218irli","sequence":"first","affiliation":[{"name":"Department of Gastroenterology and Hepatology, \u201cVictor Babe\u0219\u201d University of Medicine and Pharmacy, 300041 Timi\u0219oara, Romania"},{"name":"Center for Advanced Research in Gastroenterology and Hepatology, \u201cVictor Babe\u0219\u201d University of Medicine and Pharmacy, 300041 Timi\u0219oara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9141-7228","authenticated-orcid":false,"given":"Alina","family":"Popescu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, \u201cVictor Babe\u0219\u201d University of Medicine and Pharmacy, 300041 Timi\u0219oara, Romania"},{"name":"Center for Advanced Research in Gastroenterology and Hepatology, \u201cVictor Babe\u0219\u201d University of Medicine and Pharmacy, 300041 Timi\u0219oara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7008-6650","authenticated-orcid":false,"given":"Christian","family":"Jenssen","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Krankenhaus M\u00e4rkisch Oderland GmbH, 15344 Strausberg, Germany"},{"name":"Brandenburg Institute for Clinical Ultrasound (BICUS) at Medical University Brandenburg \u201cTheodor Fontane\u201d, 16816 Neuruppin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-9492-0141","authenticated-orcid":false,"given":"Kathleen","family":"M\u00f6ller","sequence":"additional","affiliation":[{"name":"Medical Department I\/Gastroenterology, SANA Hospital Lichtenberg, 10365 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adrian","family":"Lim","sequence":"additional","affiliation":[{"name":"Department of Imaging, Imperial College London and Healthcare NHS Trust, London W6 8RF, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ioan","family":"Sporea","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, \u201cVictor Babe\u0219\u201d University of Medicine and Pharmacy, 300041 Timi\u0219oara, Romania"},{"name":"Center for Advanced Research in Gastroenterology and Hepatology, \u201cVictor Babe\u0219\u201d University of Medicine and Pharmacy, 300041 Timi\u0219oara, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dieter","family":"N\u00fcrnberg","sequence":"additional","affiliation":[{"name":"Brandenburg Institute for Clinical Ultrasound (BICUS) at Medical University Brandenburg \u201cTheodor Fontane\u201d, 16816 Neuruppin, Germany"},{"name":"Faculty of Medicine and Philosophy and Faculty of Health Sciences Brandenburg, 16816 Neuruppin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marieke","family":"Petry","sequence":"additional","affiliation":[{"name":"Department Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Beau Site, Salem und Permanence, 3013 Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6015-6347","authenticated-orcid":false,"given":"Christoph F.","family":"Dietrich","sequence":"additional","affiliation":[{"name":"Department Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Beau Site, Salem und Permanence, 3013 Bern, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1815","DOI":"10.1016\/j.ultrasmedbio.2020.02.002","article-title":"Commentary on the World Federation for Ultrasound in Medicine and Biology Project \u201cIncidental Findings\u201d","volume":"46","author":"Dietrich","year":"2020","journal-title":"Ultrasound Med. 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