1996
DOI: 10.1159/000291922
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Does Primary Omental Pregnancy Exist?

Abstract: Omental pregnancy is a rare form of abdominal pregnancy. In the 5 previously reported cases, primary implantation of the embryo to the omentum has been proposed as its etiology. We present a new case of omental pregnancy in a 31-year-old woman presenting with symptoms of ectopic pregnancy. After careful review of our case and the published literature in view of the accepted definition of primary abdominal pregnancy, we conclude that all reported instances of omental pregnancy are secondary and probably follow … Show more

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Cited by 39 publications
(35 citation statements)
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“…There were 25 reports from 24 different references of an abdominal pregnancy being primarily implanted on the omentum [42,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115]. The patient’s average age at initial presentation was 27 (range 13–36) with the average gestational age at diagnosis of 7 weeks and 2 days (range 4–16 weeks) and parity of 1.3.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…There were 25 reports from 24 different references of an abdominal pregnancy being primarily implanted on the omentum [42,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115]. The patient’s average age at initial presentation was 27 (range 13–36) with the average gestational age at diagnosis of 7 weeks and 2 days (range 4–16 weeks) and parity of 1.3.…”
Section: Resultsmentioning
confidence: 99%
“…All 25 patients presented with abdominal pain with 3 of the patients having pain in the epigastrium [94,111,113]. Additionally, 7 patients complained of nausea and/or vomiting [94,95,96,100,109,113,114]. …”
Section: Resultsmentioning
confidence: 99%
“…Because of differences in placental anatomy, it is probably even impossible for them to develop a primary abdominal pregnancy (Segura Gil et al 2004;Corpa 2006). Histologically, trophoblastic growth or neovascularisation into the supporting tissue are characteristics of a primary abdominal pregnancy (Berghella and Wolf 1996). A secondary abdominal pregnancy is a condition in which a foetus enters the abdominal cavity because of rupture of the uterine wall, usually as a result of trauma or injury (Hajurka et al 2005;Corpa 2006).…”
Section: Discussionmentioning
confidence: 99%
“…Histological evidence of placentation, an extrauterine foetus, and rupture of uterine structures are required to differentiate primary and secondary abdominal pregnancies (Corpa 2006). All cases lacking histological evidence of trophoblastic growth or neovascularisation should be classified as secondary abdominal pregnancies (Berghella and Wolf 1996).…”
Section: Discussionmentioning
confidence: 99%
“…It was an answer to a previous doubt about the existence of a true omental pregnancy [23]. In 2004, laparoscopic treatment of an abdominal pregnancy was reported, where the gestational sac was noticed in the Douglas pouch [24].…”
Section: Discussionmentioning
confidence: 98%