{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,15]],"date-time":"2026-08-15T22:40:48Z","timestamp":1786833648153,"version":"build-2736575974"},"reference-count":14,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T00:00:00Z","timestamp":1770595200000},"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":["Journal of Laparoendoscopic &amp; Advanced Surgical Techniques"],"published-print":{"date-parts":[[2026,3,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Retroperitoneal ectopic pregnancy is a rare form of ectopic pregnancy, accounting for less than 1% of all cases. This location carries a high risk of massive hemorrhage due to its proximity to major retroperitoneal vessels.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Presentation:<\/jats:title>\n                    <jats:p>A 24-year-old female patient, G1P1, presented with a 2-week history of abdominal pain, which had exacerbated in the last 24 hours, accompanied by fever. Laboratory tests revealed elevated serum \u03b2-hCG levels (89,331 IU\/L), anemia (Hb 8.1 g\/dL), and leukocytosis. Abdominal ultrasonography and computed tomography (CT) identified a heterogeneous retroperitoneal mass anterior to the left psoas muscle, consistent with an ectopic pregnancy. An exploratory laparotomy was performed, with the successful removal of the gestational sac and embryo.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A retrospective review of the medical records of a patient diagnosed with a retroperitoneal ectopic pregnancy was performed. Demographic data, clinical findings, imaging studies (ultrasonography and CT), intraoperative findings, and postoperative follow-up were analyzed. A literature search was conducted across databases (PubMed, SciELO) to compare the case with current literature.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Retroperitoneal ectopic pregnancy is a rare but potentially life-threatening entity that requires early diagnosis via serum \u03b2-hCG and imaging studies (ultrasound, CT), as well as immediate surgical treatment to prevent catastrophic complications.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/10926429261422135","type":"journal-article","created":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T15:12:31Z","timestamp":1770649951000},"page":"189-193","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Retroperitoneal Ectopic Pregnancy: Technical Management"],"prefix":"10.1177","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-9779-7906","authenticated-orcid":false,"given":"Adrian","family":"Camacho","sequence":"first","affiliation":[{"name":"Hospital Alejandro Posadas, El Palomar, Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin","family":"Romei","sequence":"additional","affiliation":[{"name":"Hospital Alejandro Posadas, El Palomar, Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ezquequiel","family":"Delgadillo","sequence":"additional","affiliation":[{"name":"Hospital Alejandro Posadas, El Palomar, Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariano","family":"Palermo","sequence":"additional","affiliation":[{"name":"Hospital Alejandro Posadas, El Palomar, Argentina."},{"name":"Department of Bariatric Surgery, DIAGNOMED, University of Buenos Aires, Buenos Aires, Argentina."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,2,9]]},"reference":[{"key":"e_1_3_5_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/17.12.3224"},{"key":"e_1_3_5_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000247293.32523.c3"},{"issue":"10","key":"e_1_3_5_4_2","first-page":"1380","article-title":"Embarazo ect\u00f3pico espl\u00e9nico: Reporte de un caso","volume":"26","author":"Kang SY","year":"2011","unstructured":"Kang SY, , Park YS, , Seo SS, et al. 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