{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T14:06:56Z","timestamp":1767276416494,"version":"3.40.4"},"reference-count":33,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2025,4,25]],"date-time":"2025-04-25T00:00:00Z","timestamp":1745539200000},"content-version":"unspecified","delay-in-days":114,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Disaster med. public health prep."],"published-print":{"date-parts":[[2025]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t  <jats:sec id=\"S193578932500103X_sec1\">\n\t    <jats:title>Objective<\/jats:title>\n\t    <jats:p>To describe the protocol and progress of a thyroid study using thyroid ultrasonography in emergency workers who responded to the Fukushima nuclear accident.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S193578932500103X_sec2\" sec-type=\"methods\">\n\t    <jats:title>Methods<\/jats:title>\n\t    <jats:p>Thyroid ultrasonography was performed on Fukushima emergency workers at over 60 health examination institutions. The accuracy of ultrasonography is controlled by standard procedural protocols, examiner training, and a central review system. Thyroid findings are classified into 4 categories: Category A1 (no nodule or cyst), Category A2 (nodules \u2264 5.0 mm and\/or cysts \u2264 20.0 mm), Category B (nodules \u2265 5.1 mm and\/or cysts \u2265 20.1 mm), and Category C (requires immediate further examination). Participants classified as Categories B or C are recommended for secondary examination.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S193578932500103X_sec3\" sec-type=\"results\">\n\t    <jats:title>Results<\/jats:title>\n\t    <jats:p>Among 3398 participants with available ultrasound images obtained at the first health examination between January 2016 and October 2023, 45.2 % were classified as Category A1, 39.2 % as Category A2, 15.5 % as Category B, and 0 % as Category C. Of the 207 participants for whom secondary examination results were available, seven were diagnosed with cancer or suspected cancer.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S193578932500103X_sec4\" sec-type=\"conclusions\">\n\t    <jats:title>Conclusions<\/jats:title>\n\t    <jats:p>An accuracy control system of thyroid ultrasonography has been established which will continue to carefully investigate the thyroids of Fukushima emergency workers.<\/jats:p>\n\t  <\/jats:sec>","DOI":"10.1017\/dmp.2025.103","type":"journal-article","created":{"date-parts":[[2025,4,25]],"date-time":"2025-04-25T09:47:03Z","timestamp":1745574423000},"source":"Crossref","is-referenced-by-count":1,"title":["Protocol and Progress of a Thyroid Study in the Epidemiological Study of Health Effects in Fukushima Emergency Workers"],"prefix":"10.1017","volume":"19","author":[{"given":"Misa","family":"Imaizumi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomotaka","family":"Sobue","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nobuyuki","family":"Taniguchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Megumi","family":"Miyagawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takumaro","family":"Momose","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shinji","family":"Yoshinaga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sayaka","family":"Yamamoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Waka","family":"Ohishi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroko","family":"Kitamura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ling","family":"Zha","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshiteru","family":"Okubo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2025,4,25]]},"reference":[{"key":"S193578932500103X_r23","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000031106"},{"key":"S193578932500103X_r21","doi-asserted-by":"publisher","DOI":"10.2188\/jea.JE20210271"},{"key":"S193578932500103X_r24","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2018.0898"},{"key":"S193578932500103X_r5","doi-asserted-by":"publisher","DOI":"10.1289\/ehp.1002674"},{"key":"S193578932500103X_r17","doi-asserted-by":"publisher","DOI":"10.1016\/S2213-8587(20)30115-7"},{"key":"S193578932500103X_r29","first-page":"82","article-title":"Management of thyroid micro-carcinoma found in thyroid ultrasound examinations","volume":"35","author":"Shimura","year":"2018","journal-title":"Official Journal of the Japan Association of Endocrine Surgeons and the Japanese Society of Thyroid Surgery."},{"key":"S193578932500103X_r12","doi-asserted-by":"publisher","DOI":"10.1007\/s00411-002-0163-6"},{"key":"S193578932500103X_r20","doi-asserted-by":"publisher","DOI":"10.1089\/thy.2015.0564"},{"key":"S193578932500103X_r9","doi-asserted-by":"publisher","DOI":"10.1002\/ijc.27749"},{"key":"S193578932500103X_r1","doi-asserted-by":"publisher","DOI":"10.1093\/rpd\/ncy136"},{"key":"S193578932500103X_r28","doi-asserted-by":"publisher","DOI":"10.1093\/jjco\/hyn061"},{"key":"S193578932500103X_r8","first-page":"1177","article-title":"Thyroid tumors following thymus irradiation","volume":"74","author":"Shore","year":"1985","journal-title":"J Natl Cancer Inst."},{"key":"S193578932500103X_r10","doi-asserted-by":"publisher","DOI":"10.1001\/jama.295.9.1011"},{"key":"S193578932500103X_r33","doi-asserted-by":"publisher","DOI":"10.1507\/endocrj.EJ20-0692"},{"key":"S193578932500103X_r31","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19850801)56:3<531::AID-CNCR2820560321>3.0.CO;2-3"},{"key":"S193578932500103X_r14","unstructured":"14. Ministry of Health Labour and Welfare Japan. Guidelines for the Promotion of Health Maintenance for Emergency Workers in Nuclear Facilities, etc. Published August 31, 2015. Accessed August 28, 2024. https:\/\/www.mhlw.go.jp\/english\/topics\/2011eq\/workers\/tepco\/rp\/pr_150831_attachment06.pdf"},{"key":"S193578932500103X_r13","doi-asserted-by":"publisher","DOI":"10.1667\/RR2975.1"},{"key":"S193578932500103X_r30","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(197509)36:3<1095::AID-CNCR2820360338>3.0.CO;2-9"},{"key":"S193578932500103X_r15","unstructured":"15. Sobue, T , Yoshinaga, S , Miyakawa, M , et al. Investigation of the Thyroid Workers at TEPCO\u2019s Fukushima Daiichi Nuclear Power Plant. National Institute of Public Health. 201305014A. Published June 22, 2015. Accessed March 18, 2024. https:\/\/mhlw-grants.niph.go.jp\/project\/22255"},{"key":"S193578932500103X_r26","doi-asserted-by":"publisher","DOI":"10.1001\/jamainternmed.2014.6692"},{"key":"S193578932500103X_r2","doi-asserted-by":"publisher","DOI":"10.1016\/j.envadv.2022.100275"},{"key":"S193578932500103X_r25","doi-asserted-by":"publisher","DOI":"10.1089\/thy.2015.0020"},{"key":"S193578932500103X_r27","unstructured":"27. Nathonal Cancer Center Japan Cancer Information Service. Published October 5, 2022. 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