{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T01:23:42Z","timestamp":1777944222294,"version":"3.51.4"},"reference-count":8,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2022,1,21]],"date-time":"2022-01-21T00:00:00Z","timestamp":1642723200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Sociedad Profesional de Medicina Fetal \"Fetalmed\" Ltda., Chile","award":["Unrestricted research grant"],"award-info":[{"award-number":["Unrestricted research grant"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Ultrasound"],"published-print":{"date-parts":[[2022,8]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>The prenatal detection of an intrathoracic cyst during the first trimester of pregnancy is an exceedingly rare condition. In this report, we describe a case of first-trimester intrathoracic cyst causing cardiac dextroposition, which resolved by 24 weeks\u2019 gestation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case report:<\/jats:title>\n                    <jats:p>A 5-mm intrathoracic cyst causing cardiac dextroposition was detected during the routine sonographic scan performed at 12 weeks + 2 days. The cyst remained stable in size until 20 weeks and was no longer identified during focused fetal echocardiography at 24 weeks.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>Our case demonstrates that a first-trimester intrathoracic cyst can have a benign course, either by remaining stable in size or even undergoing complete resolution during the second trimester. A focused sonographic examination should therefore be undertaken as follow-up to determine the final prognosis of these lesions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The etiology of intrathoracic cysts detected in the first trimester is unclear and could represent a resolving pericardial cyst.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1742271x211067920","type":"journal-article","created":{"date-parts":[[2022,1,22]],"date-time":"2022-01-22T01:57:17Z","timestamp":1642816637000},"page":"255-258","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Transient fetal intrathoracic cyst first detected during the 11- to 13-week scan: A resolving pericardial cyst?"],"prefix":"10.1177","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3856-574X","authenticated-orcid":false,"given":"Waldo","family":"Sepulveda","sequence":"first","affiliation":[{"name":"Fetal Imaging Unit, FETALMED\u2212Maternal-Fetal Diagnostic Center, Santiago, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricio","family":"Stuardo","sequence":"additional","affiliation":[{"name":"Clinica RedSalud Vitacura, Santiago, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,1,21]]},"reference":[{"key":"bibr1-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.1046\/j.1469-0705.2000.00020.x"},{"key":"bibr2-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.3109\/01443615.2011.626090"},{"key":"bibr3-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.1002\/pd.2642"},{"key":"bibr4-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.1002\/uog.20844"},{"key":"bibr5-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2020.10.037"},{"key":"bibr6-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.1002\/pd.2019"},{"key":"bibr7-1742271X211067920","first-page":"179","volume-title":"First trimester ultrasound diagnosis of fetal abnormalities","author":"Abuhamad A","year":"2017"},{"key":"bibr8-1742271X211067920","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0223(199606)16:6<549::AID-PD879>3.0.CO;2-9"}],"container-title":["Ultrasound"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1742271X211067920","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1742271X211067920","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1742271X211067920","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T07:50:40Z","timestamp":1777708240000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1742271X211067920"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,1,21]]},"references-count":8,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,8]]}},"alternative-id":["10.1177\/1742271X211067920"],"URL":"https:\/\/doi.org\/10.1177\/1742271x211067920","relation":{},"ISSN":["1742-271X","1743-1344"],"issn-type":[{"value":"1742-271X","type":"print"},{"value":"1743-1344","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,1,21]]}}}