{"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":1786833648400,"version":"build-2736575974"},"reference-count":21,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2025,1,15]],"date-time":"2025-01-15T00:00:00Z","timestamp":1736899200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Retroperitoneal ectopic pregnancy is an uncommon condition in clinical practice, often associated with misdiagnosis and unconventional treatment. Delayed interventions can lead to poor prognosis and sometimes catastrophic situations. Due to the limited number of reported cases in the literature, an established treatment protocol has yet to be introduced. This case series presents three instances at a tertiary women's hospital in Vietnam. In cases 1 and 2, a single approach\u2014either surgery or a chemo\u2010regimen\u2014was applied. However, the third patient was treated with a combination of both therapies. This series highlights an evolution in management, progressing from incomplete removal of the gestation to a comprehensive combination of surgery and chemotherapy. Additionally, high serum beta\u2010human chorionic gonadotropin (\u03b2\u2010hCG) levels and suspicious ultrasound and magnetic resonance imaging (MRI) findings are crucial for establishing the diagnosis.<\/jats:p>","DOI":"10.1002\/ijgo.16139","type":"journal-article","created":{"date-parts":[[2025,1,15]],"date-time":"2025-01-15T11:18:18Z","timestamp":1736939898000},"page":"999-1005","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Retroperitoneal ectopic pregnancy from a tertiary obstetrics hospital in Vietnam: A case series and literature review"],"prefix":"10.1002","volume":"169","author":[{"given":"Hung Trong","family":"Mai","sequence":"first","affiliation":[{"name":"Hanoi Obstetrics and Gynecology Hospital  Hanoi Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dao Thi Anh","family":"Le","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Hanoi Medical University Hanoi  Hanoi Vietnam"},{"name":"Department of Surgical Gynecology Hanoi Obstetrics and Gynecology Hospital  Hanoi Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2625-6242","authenticated-orcid":false,"given":"Toan Khac","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Department of Surgical Gynecology Hanoi Obstetrics and Gynecology Hospital  Hanoi Vietnam"},{"name":"Department of Global Public Health Karolinska Institute  Solna Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,1,15]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-023-05909-7"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jogoh.2023.102691"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.2147\/IJWH.S408319"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmig.2023.12.003"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.radcr.2021.12.011"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1159\/000534036"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/ijgo.13136"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/ijgo.13877"},{"issue":"3","key":"e_1_2_9_10_1","first-page":"333","article-title":"Abdominal pregnancy in the United States: frequency and maternal mortality","volume":"69","author":"Atrash HK","year":"1987","journal-title":"Obstet Gynecol"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-2007-1004829"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2011.02.026"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1023\/A:1014451932539"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1447-0756.2010.01270.x"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmig.2018.12.016"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1048-891X.2004.014223.x"},{"issue":"2","key":"e_1_2_9_17_1","first-page":"26","article-title":"Prevalence of gestational trophoblastic disease in ectopic pregnancy","volume":"4","author":"Tasha I","year":"2010","journal-title":"J Prenat Med"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-017-1542-y"},{"issue":"3","key":"e_1_2_9_19_1","first-page":"156","article-title":"A rare case of ectopic pregnancy\u2014retroperitoneal ectopic pregnancy","volume":"39","author":"Veleminsky M","year":"2018","journal-title":"Neuro Endocrinol Lett"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmig.2021.05.008"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-022-04799-5"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/jog.14669"}],"container-title":["International Journal of Gynecology &amp; 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