{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T13:44:31Z","timestamp":1789566271261,"version":"build-2803163510"},"reference-count":20,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,2,22]],"date-time":"2024-02-22T00:00:00Z","timestamp":1708560000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["European J of Haematology"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study assesses the clinical significance of additional cytogenetic abnormalities (ACAs) and\/or the deletion of 3\u2032<jats:italic>CBFB<\/jats:italic> (3\u2032<jats:italic>CBFB<\/jats:italic><jats:sup>del<\/jats:sup>) resulting in unbalanced <jats:italic>CBFB::MYH11<\/jats:italic> fusion in acute myeloid leukemia (AML) with inv (16)\/t(16;16)\/<jats:italic>CBFB::MYH11<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We retrospectively evaluated the clinicopathologic features of 47 adult de novo AML with inv (16)\/t(16;16)\/<jats:italic>CBFB::MYH11<\/jats:italic> fusion. There were 44 balanced and 3 unbalanced <jats:italic>CBFB::MYH11<\/jats:italic> fusions. Given the low frequency of unbalanced cases, the latter group was combined with 19 published cases (<jats:italic>N<\/jats:italic>\u2009=\u200922) for statistic and meta\u2010analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Both balanced and unbalanced cases were characterized by frequent ACAs (56.5% and 72.7%, respectively), with +8, +22, and del(7q) as the most frequent abnormalities. The unbalanced group tends to be younger individuals (<jats:italic>p<\/jats:italic>\u2009=\u2009.04) and is associated with a lower remission rate (<jats:italic>p<\/jats:italic>\u2009=\u2009.02), although the median overall survival (OS) was not statistically different (<jats:italic>p<\/jats:italic>\u2009=\u2009.2868). In the balanced group, \u201cACA\u201d subgroup had higher mortality (<jats:italic>p<\/jats:italic>\u2009=\u2009.013) and shorter OS (<jats:italic>p<\/jats:italic>\u2009=\u2009.011), and patients with relapsed disease had a significantly shorter OS (<jats:italic>p<\/jats:italic>\u2009=\u2009.0011). Cox multivariate regression analysis confirmed that ACAs and history of disease relapse are independent risk factors, irrespective of disease relapse status. In the combined cohort, cases with ACAs had shorter OS than those with \u201cSole\u201d abnormality (<jats:italic>p<\/jats:italic>\u2009=\u2009.0109).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>ACAs are independent high\u2010risk factors in adult AML with inv (16)\/t(16;16)\/<jats:italic>CBFB::MYH11<\/jats:italic> fusion and should be integrated for risk stratification in this disease. Larger studies are needed to assess the clinical significance of the unbalanced <jats:italic>CBFB::MYH11<\/jats:italic> fusion resulting from the 3\u2032<jats:italic>CBFB<\/jats:italic><jats:sup>del<\/jats:sup>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ejh.14192","type":"journal-article","created":{"date-parts":[[2024,2,23]],"date-time":"2024-02-23T02:44:20Z","timestamp":1708656260000},"page":"964-974","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Clinical implications of additional chromosomal abnormalities in adult acute myeloid leukemia with inv (16)\/t(16;16)\/<i>CBFB::MYH11<\/i>"],"prefix":"10.1111","volume":"112","author":[{"given":"Juehua","family":"Gao","sequence":"first","affiliation":[{"name":"Department of Pathology Northwestern University Feinberg School of Medicine  Chicago Illinois 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