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Journal of Medical Ultrasonics

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1994 - Vol.21

Vol.21 No.09

Case Report(症例報告)

(0615 - 0620)

妊婦13週で診断しえたectopia cordisの1例

Ectopia Cordis Diagnosed at 13 Weeks of Gestation

中井 祐一郎1, 今中 基晴2, 荻田 幸雄2

Yuichiro NAKAI1, Motoharu IMANAKA2, Sachio OGITA2

1那智勝浦町立温泉病院産婦人科, 2大阪市立大学産科婦人科

1Department of Obstetrics and Gynecology Nachi-Katsuura Municipal Onsen Hospital, 2Department of Obstetrics and Gynecology Osaka City University, Medical School

キーワード : Amniotic band syndrome, Ectopia cordis, Prenatal diagnosis, Pulsed Doppler method, Ultrasonography

We report a case of ectopia cordis with anencephalus that was diagnosed by ultrasonography at 13 weeks of gestation. This case had been caused by an amniotic band, which appeared as a linear echo between the fetal cardiac apex and the edge of the placenta. The various blood flows appeared in the cavities of the fetal heart, in front of the fetal thorax, on color flow mapping. The reversed flow of the vena cava was faster than that of a normal fetus, and the higher preload of the displaced heart was suspected of having been caused by the pressure of the amniotic fluid. Malformations of the skull, face, and thoracic and abdominal walls were found when the pregnancy was terminated at the 16 weeks of gestation. The amniotic band was attached to all lesions, and it had pulled the heart out of the trunk.