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2010-12-14-11 Vasa previa with bilobate placenta © Cuillier
Vasa previa with bilobate placenta

Fabrice Cuillier, MD.

Service de Gynécologie-Obstétrique, Hôpital Félix Guyon, Saint-Denis de La Réunion, France.

Case report

A 30-year-old healthy woman, G2 P1, was referred to our unit for the ultrasound examination at 31 weeks of gestation. The ultrasound examination of the fetus was normal. Examination of the placenta and umbilical cord showed a bilobate placenta with a velamentous cord insertion.
On the ultrasound examination at 34 weeks of gestation, we saw a bilobate placenta on the anterior and posterior uterine wall. Between these two, we confirmed a vasa previa, the placental vessels traversed the lower uterine segment and the internal cervical os.

A patient delivered via schedulled cesarean section at 37 weeks. The examination of the placenta confirmed our antenatal diagnosis of the bilobate placenta with vasa previa.

Images 1,2: 31 weeks, image 1 shows a bilobate placenta. Image 2 shows a velamentous cord insertion.

Images 3-6: 34 weeks, images show vasa previa traversing the internal cervical os (arrow).

Images 7,8: 3D- images of the vasa previa.

Images 9,10: Images of the bilobate placenta with vasa previa running between the placental lobes.


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