{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T01:23:23Z","timestamp":1777944203945,"version":"3.51.4"},"reference-count":7,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T00:00:00Z","timestamp":1661126400000},"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":["Ultrasound"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>It is a rare, but recognised phenomenon that malignant testicular germ cell tumours can \u2018burn-out\u2019, where the primary lesion spontaneously regresses and presents with no viable remaining malignant cells leaving only a residual \u2018tumour scar\u2019, frequently in the context of distant metastatic disease<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Report:<\/jats:title>\n                    <jats:p>We present a case report of a patient who underwent serial ultrasound scans documenting regression of a testicular lesion from a malignant appearance to a burned-out lesion, where subsequent resection and histology demonstrated features of a completely regressed seminomatous germ cell tumour with no residual viable tumour cells.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>To the best of our knowledge, there are no previously documented cases where a tumour has been longitudinally followed from sonographic features of concern for malignancy to \u2018burned-out\u2019 appearances. Spontaneous testicular tumour regression has instead been inferred based on the presence of a \u2018burned-out\u2019 testicular lesion in patients presenting with distant metastatic disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This case provides further evidence supporting the concept of spontaneous testicular germ cell tumour regression. Ultrasound practitioners should be aware of this rare phenomenon in men presenting with metastatic germ cell tumour and, additionally, that this condition may present with acute scrotal pain.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1742271x221114061","type":"journal-article","created":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T08:20:03Z","timestamp":1661156403000},"page":"66-70","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["From blazing to burnt out: Spontaneous regression of a testicular germ cell tumour"],"prefix":"10.1177","volume":"31","author":[{"given":"Alexander","family":"Wijnberg","sequence":"first","affiliation":[{"name":"Radiology SpR, Peninsula Radiology Academy, Plymouth International Business Park, Plymouth, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rob","family":"Hadden","sequence":"additional","affiliation":[{"name":"Department of Cellular and Anatomical Pathology, University Hospitals Plymouth NHS Trust, Derriford Hospital, Plymouth, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6764-5896","authenticated-orcid":false,"given":"Simon","family":"Freeman","sequence":"additional","affiliation":[{"name":"Imaging Directorate, University Hospitals Plymouth NHS Trust, Derriford Hospital, Plymouth, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,8,22]]},"reference":[{"issue":"2","key":"bibr1-1742271X221114061","first-page":"207","volume":"38","author":"Azzopardi JG","year":"1961","journal-title":"Am J Pathol"},{"key":"bibr2-1742271X221114061","doi-asserted-by":"publisher","DOI":"10.1016\/j.critrevonc.2021.103452"},{"key":"bibr3-1742271X221114061","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-200407000-00014"},{"key":"bibr4-1742271X221114061","doi-asserted-by":"publisher","DOI":"10.1097\/01.pas.0000209831.24230.56"},{"key":"bibr5-1742271X221114061","doi-asserted-by":"publisher","DOI":"10.1016\/j.juro.2009.07.045"},{"key":"bibr6-1742271X221114061","doi-asserted-by":"publisher","DOI":"10.3332\/ecancer.2018.888"},{"key":"bibr7-1742271X221114061","doi-asserted-by":"publisher","DOI":"10.1093\/annonc\/mdf003"}],"container-title":["Ultrasound"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1742271X221114061","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1742271X221114061","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1742271X221114061","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T07:50:57Z","timestamp":1777708257000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1742271X221114061"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,8,22]]},"references-count":7,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2023,2]]}},"alternative-id":["10.1177\/1742271X221114061"],"URL":"https:\/\/doi.org\/10.1177\/1742271x221114061","relation":{},"ISSN":["1742-271X","1743-1344"],"issn-type":[{"value":"1742-271X","type":"print"},{"value":"1743-1344","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,8,22]]}}}