{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T11:44:52Z","timestamp":1740138292846,"version":"3.37.3"},"reference-count":30,"publisher":"Oxford University Press (OUP)","issue":"1166","license":[{"start":{"date-parts":[[2024,11,21]],"date-time":"2024-11-21T00:00:00Z","timestamp":1732147200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To investigate the diagnostic performance of gadoxetic acid (Gd-EOB)-enhanced MRI for distinguishing focal nodular hyperplasia (FNH) from hepatocellular adenoma (HCA) in children.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Twenty-two patients (HCA, n = 6; FNH, n = 16) underwent MRI with Gd-EOB were retrospectively included in this study. The diagnosis was established by biopsy in eight patients and by imaging criteria and follow-up in 13 patients. After qualitative analyses of MRI, quantitative analyses were performed by calculating the relative signal intensity ratios (SIR) between lesion and liver parenchyma both on precontrast and hepatobiliary phase (HBP) images. Two equations, SIRpost-pre and liver-to-lesion contrast enhancement ratio (LLCER), using both SIRs of precontrast and HBP imaging together were also calculated.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>The most distinguishing non-contrast-enhanced MRI feature of HCA was intralesional fat since all HCA contained fat but none of FNHs. All FNHs were iso- or hyperintense relative to the adjacent liver on HBP images, but all HCAs except one were hypointense. The mean SIRpost-pre and LLCER of FNH were significantly higher than that of HCA (P\u2009&amp;lt;\u2009.001). SIRpost-pre and LLCER provided sensitivity and specificity values of 100%.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Although intralesional fat is a strong discriminative feature for distinguishing between HCA and FNH, qualitative properties of these lesions may not be enough for confident diagnosis. Gd-EOB uptake in the HBP provides high diagnostic accuracy, but overlap can be seen. SIRpost-pre and LLCER overcome the difficulties and have the best sensitivity and specificity.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Advances in knowledge<\/jats:title>\n                  <jats:p>Gadoxetic acid-enhanced MRI is a valuable tool for differentiation of FNH and HCA in children.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/bjr\/tqae222","type":"journal-article","created":{"date-parts":[[2024,11,21]],"date-time":"2024-11-21T16:30:09Z","timestamp":1732206609000},"page":"262-270","source":"Crossref","is-referenced-by-count":0,"title":["Gadoxetic acid-enhanced MRI in differentiating focal nodular hyperplasia from hepatocellular adenoma in children"],"prefix":"10.1093","volume":"98","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0047-1780","authenticated-orcid":false,"given":"Ba\u015fak","family":"Erdemli G\u00fcrsel","sequence":"first","affiliation":[{"name":"Department of Radiology, Faculty of Medicine, Bursa Uluda\u011f University , Bursa, 16059,","place":["Turkey"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7348-0813","authenticated-orcid":false,"given":"G\u00f6khan","family":"\u00d6ngen","sequence":"additional","affiliation":[{"name":"Department of Radiology, Faculty of Medicine, Bursa Uluda\u011f University , Bursa, 16059,","place":["Turkey"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4742-296X","authenticated-orcid":false,"given":"Selman","family":"Candan","sequence":"additional","affiliation":[{"name":"Department of Radiology, Bursa Nil\u00fcfer Doruk Hospital , Bursa, 16110,","place":["Turkey"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8533-3781","authenticated-orcid":false,"given":"Nadide Ba\u015fak","family":"G\u00fcllero\u011flu","sequence":"additional","affiliation":[{"name":"Department of Radiology, Ankara City 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