{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T16:02:40Z","timestamp":1781625760866,"version":"3.54.5"},"reference-count":22,"publisher":"American Society of Hematology","issue":"2","content-domain":{"domain":["ashpublications.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,1,26]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Adult T-cell leukemia\/lymphoma (ATL) cells frequently exhibit chromosomal abnormalities, including numerical aberrations and structural defects. However, no studies have examined the correlation between these abnormalities and survival in patients with ATL after allogeneic HSCT (allo-HSCT). In this study, 300 patients with ATL (median age, 55 years; range, 24-74) who were registered in a Japanese nationwide registry database were analyzed. The majority (n = 183) had acute ATL. Specimens for chromosomal analysis were collected from bone marrow (n = 166), lymph nodes (n = 86), peripheral blood (n = 41), and other locations (n = 7). In survival analyses, breakpoints at 2q (hazard ratio [HR], 1.63; 95% confidence interval [CI], 1.12-2.38; P = .012) and 5q (HR, 2.18; 95% CI, 1.25-3.80; P = .006) were significantly poor prognostic factors for overall survival (OS). In terms of ATL-related death, loss of chromosome 14 and breakpoints at 3p, 1q, 5q, and 6q were extracted as significantly poor prognostic factors. Moreover, complex karyotypes were associated with ATL-related death. This study of the survival impact of chromosomal abnormalities in patients with ATL after allo-HSCT demonstrated that several structural breakpoints were independent risk factors for OS and ATL-related death.<\/jats:p>","DOI":"10.1182\/bloodadvances.2020003639","type":"journal-article","created":{"date-parts":[[2021,1,21]],"date-time":"2021-01-21T17:30:17Z","timestamp":1611250217000},"page":"475-486","update-policy":"https:\/\/doi.org\/10.1182\/blood.2019cm0000","source":"Crossref","is-referenced-by-count":4,"title":["Chromosomal defects and survival in patients with adult T-cell leukemia\/lymphoma after allogeneic HSCT"],"prefix":"10.1182","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9826-7616","authenticated-orcid":false,"given":"Nobuaki","family":"Nakano","sequence":"first","affiliation":[{"name":"Department of Hematology, Imamura General Hospital, Kagoshima, Japan;"},{"name":"ATL Working Group of Japan Society for Hematopoietic Cell Transplantation, Nagoya, 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