{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T12:55:31Z","timestamp":1777726531935,"version":"3.51.4"},"reference-count":16,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>This study aimed to investigate the initial site of calcification development in rotator cuff tendons using serial ultrasonographic evaluations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 21 patients with de novo calcifications were included. Ultrasonography was used to assess calcifications in the rotator cuff tendons. The distance from the tendon insertion on the humerus to the calcification site was measured, along with the long and short diameters and the long-to-short diameter ratio.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In 19 patients (90%), calcifications were in direct contact with the tendon insertion on the humerus. In the remaining two patients (10%), the calcifications were located 1\u2009mm proximal to the tendon insertion site. The mean long and short diameters of the calcifications were 9.4\u2009\u00b1\u20094.6 and 2.7\u2009\u00b1\u20091.2\u2009mm (range: 3.0\u201317.0 and 1.0\u20134.5\u2009mm), respectively. The mean long-to-short diameter ratio was 2.4\u2009\u00b1\u20092.2\u2009mm (range: 1.8\u201310.0\u2009mm). Regarding shoulder disorders, 1, 7, and 13 patients had a rotator cuff tendon tear, calcific tendinitis, and adhesive capsulitis, respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Calcifications in the rotator cuff tendons appear to originate at the tenoperiosteal junction or in close periosteal proximity and extend along the tendon axis.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03000605251407440","type":"journal-article","created":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T04:46:35Z","timestamp":1766465195000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Initial site of calcifications in rotator cuff tendons: A sonographic observational study"],"prefix":"10.1177","volume":"53","author":[{"given":"Sang Hoon","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Radiology, Madi Pain Management Center, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun Hee","family":"Choi","sequence":"additional","affiliation":[{"name":"Madi Research and Development Center, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7629-7213","authenticated-orcid":false,"given":"Min Cheol","family":"Chang","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Medicine, College of Medicine, Yeungnam University, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,12,22]]},"reference":[{"key":"e_1_3_7_2_2","first-page":"186","article-title":"Rotator cuff calcific tendinopathy: from diagnosis to treatment","volume":"89","author":"Chianca V","year":"2018","unstructured":"Chianca V, Albano D, Messina C, et\u00a0al. Rotator cuff calcific tendinopathy: from diagnosis to treatment. Acta Biomed 2018; 89: 186\u2013196.","journal-title":"Acta Biomed"},{"key":"e_1_3_7_3_2","doi-asserted-by":"publisher","DOI":"10.3390\/jcm13226641"},{"key":"e_1_3_7_4_2","doi-asserted-by":"publisher","DOI":"10.1051\/sicotj\/2025003"},{"key":"e_1_3_7_5_2","doi-asserted-by":"publisher","DOI":"10.1186\/1741-7015-10-95"},{"key":"e_1_3_7_6_2","doi-asserted-by":"publisher","DOI":"10.5397\/cise.2020.00318"},{"key":"e_1_3_7_7_2","doi-asserted-by":"publisher","DOI":"10.1177\/0300060520976032"},{"key":"e_1_3_7_8_2","doi-asserted-by":"publisher","DOI":"10.5435\/00124635-199707000-00001"},{"key":"e_1_3_7_9_2","doi-asserted-by":"publisher","DOI":"10.1177\/03635465221098133"},{"key":"e_1_3_7_10_2","doi-asserted-by":"publisher","DOI":"10.1369\/jhc.2008.952143"},{"key":"e_1_3_7_11_2","first-page":"606","article-title":"Does erroneous differentiation of tendon-derived stem cells contribute to the pathogenesis of calcifying tendinopathy?","volume":"124","author":"Rui YF","year":"2011","unstructured":"Rui YF, Lui PP, Chan LS, et\u00a0al. Does erroneous differentiation of tendon-derived stem cells contribute to the pathogenesis of calcifying tendinopathy? Chin Med J (Engl) 2011; 124: 606\u2013610.","journal-title":"Chin Med J (Engl)"},{"key":"e_1_3_7_12_2","first-page":"63","article-title":"Calcific tendinopathy of the shoulder: clinical perspectives into the mechanisms, pathogenesis, and treatment","volume":"10","author":"Sansone V","year":"2018","unstructured":"Sansone V, Maiorano E, Galluzzo A, et\u00a0al. Calcific tendinopathy of the shoulder: clinical perspectives into the mechanisms, pathogenesis, and treatment. Orthop Res Rev 2018; 10: 63\u201372.","journal-title":"Orthop Res Rev"},{"key":"e_1_3_7_13_2","doi-asserted-by":"publisher","DOI":"10.3390\/diagnostics12123097"},{"key":"e_1_3_7_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11926-021-00981-4"},{"key":"e_1_3_7_15_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12860-023-00471-8"},{"key":"e_1_3_7_16_2","doi-asserted-by":"publisher","DOI":"10.1515\/jom-2021-0213"},{"key":"e_1_3_7_17_2","article-title":"Focal extracorporeal shockwave therapy in shoulder calcific tendinopathy: a retrospective observational study of sonographic prognostic factors","author":"Pesaresi A","year":"2025","unstructured":"Pesaresi A, Ricci V, Far\u00ec G, et\u00a0al. Focal extracorporeal shockwave therapy in shoulder calcific tendinopathy: a retrospective observational study of sonographic prognostic factors. PM R. Epub ahead of print 6 August 2025. DOI: 10.1002\/pmrj.13454.","journal-title":"PM R. Epub ahead of print"}],"container-title":["Journal of International Medical Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/03000605251407440","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/03000605251407440","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/03000605251407440","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T10:46:54Z","timestamp":1777459614000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/03000605251407440"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,12]]},"references-count":16,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2025,12]]}},"alternative-id":["10.1177\/03000605251407440"],"URL":"https:\/\/doi.org\/10.1177\/03000605251407440","relation":{},"ISSN":["0300-0605","1473-2300"],"issn-type":[{"value":"0300-0605","type":"print"},{"value":"1473-2300","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,12]]},"article-number":"03000605251407440"}}