{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T15:19:40Z","timestamp":1787239180115,"version":"build-2736575974"},"reference-count":59,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2019,1,15]],"date-time":"2019-01-15T00:00:00Z","timestamp":1547510400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Surgical Oncology"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:sec>\n                    <jats:title>Background and Objectives<\/jats:title>\n                    <jats:p>\n                      Recently, a comprehensive study presented evidence that a long\u2010disputed\n                      <jats:italic>REarranged during Transfection (RET)<\/jats:italic>\n                      variant,\n                      <jats:italic>RET<\/jats:italic>\n                      Y791F, should be classified as nonpathogenic. In spite of this, several subsequently published papers, including the revised American Thyroid Association guidelines for medullary thyroid carcinoma, refer to the variant as pathogenic. This study presents data from a unique national Danish cohort of\n                      <jats:italic>RET<\/jats:italic>\n                      Y791F carriers who have been followed by watchful waiting instead of being subjected to early thyroidectomy, to determine if any carrier shows evidence of multiple endocrine neoplasia 2A (MEN2A) at long\u2010term follow\u2010up.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A national cohort of all patients tested for\n                      <jats:italic>RET<\/jats:italic>\n                      mutations in Denmark from September 1994 to October 2017 was searched for carriers of\n                      <jats:italic>RET<\/jats:italic>\n                      Y791F. Medical records and laboratory reports of carriers were reviewed for signs of MEN2A at latest follow\u2010up (medullary thyroid carcinoma, primary hyperparathyroidism, pheochromocytoma, cutaneous lichen amyloidosis, or Hirschsprung's disease).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total, twenty\n                      <jats:italic>RET<\/jats:italic>\n                      Y791F\u2010carriers were identified, none of whom showed any evidence of MEN2A, despite an age range from 7 to 87 years.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Our national cohort study of all Danish\n                      <jats:italic>RET<\/jats:italic>\n                      Y791F carriers substantiates the claim that the\n                      <jats:italic>RET<\/jats:italic>\n                      Y791F variant is nonpathogenic.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jso.25371","type":"journal-article","created":{"date-parts":[[2019,1,15]],"date-time":"2019-01-15T08:16:28Z","timestamp":1547540188000},"page":"687-693","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Long\u2010term follow\u2010up of\n                    <i>RET<\/i>\n                    Y791F carriers in Denmark 1994\u20102017: A National Cohort Study"],"prefix":"10.1002","volume":"119","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2771-6127","authenticated-orcid":false,"given":"Sanne","family":"H\u00f8xbroe Michaelsen","sequence":"first","affiliation":[{"name":"Department of ORL Head &amp; Neck Surgery and Audiology, Odense University Hospital Odense 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