{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T11:27:16Z","timestamp":1786706836027,"version":"build-2736575974"},"reference-count":57,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T00:00:00Z","timestamp":1769731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T00:00:00Z","timestamp":1769731200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100012665","name":"Institute for Clinical Evaluative Sciences","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100012665","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Medicine"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To determine whether adolescent and young adults (AYA) with Hodgkin lymphoma (HL) who are treated by oncologists with \u201cAYA expertise\u201d improve outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>All AYA aged 15\u201321\u2009years diagnosed with HL in Ontario, Canada between 1992 and 2012 were identified, and clinical data abstracted as part of the IMPACT cohort. Linked administrative data were used to identify primary oncologists, defined as \u201cAYA experts\u201d if at diagnosis, \u2265\u200915% of the oncologist's previous 2\u2009years of chemotherapy billings were for patients aged 15\u201329\u2009years. Associations between seeing an AYA expert and outcomes were analysed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among 863 AYA with HL, 225 unique primary oncologists were identified. A total of 112 (13.0%) AYA had a primary oncologist with AYA expertise. Older patients [adjusted OR (aOR): 0.8 per year, 95% CI: 0.7\u20131.0;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.04] and those seen in adult community hospitals [vs. regional cancer centre, aOR: 0.1, 95% CI: 0.02\u20130.4;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001] were less likely to see an AYA expert. Only 56 (6.4%) AYA received a fertility consult within 30\u2009days of HL diagnosis; most occurred in the later study period (2006\u20132012). Seeing an AYA expert was associated with increased odds of fertility consultation (aOR: 2.1, 95% CI: 1.0\u20134.3;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.04). Among the full cohort, there was no association between AYA expert care and event\u2010free survival (EFS), overall survival (OS), or subsequent live birth.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A volume\u2010based definition of AYA expertise was associated with receipt of fertility consults, but not with EFS or OS for AYA with HL. If validated in other populations and settings, seeing a volume\u2010defined AYA expert could serve as a quality metric in AYA cancer care.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cam4.71549","type":"journal-article","created":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T09:50:21Z","timestamp":1769766621000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Impact of Adolescent and Young Adult Cancer Expertise in Oncologists on AYA Outcomes in Hodgkin Lymphoma: A Population\u2010Based Study in Ontario, Canada"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2122-560X","authenticated-orcid":false,"given":"Eden C.","family":"Andrew","sequence":"first","affiliation":[{"name":"Division of Hematology\/Oncology Hospital for Sick Children  Toronto Canada"},{"name":"Children's Cancer Centre Royal Children's Hospital Melbourne  Parkville 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Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1334-3670","authenticated-orcid":false,"given":"Sumit","family":"Gupta","sequence":"additional","affiliation":[{"name":"Division of Hematology\/Oncology Hospital for Sick Children  Toronto Canada"},{"name":"Department of Paediatrics Faculty of Medicine, University of Toronto  Toronto 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