Donald School Journal of Ultrasound in Obstetrics and Gynecology

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VOLUME 14 , ISSUE 2 ( April-June, 2020 ) > List of Articles


Three-dimensional Ultrasound Diagnosis of Circumvallate Placenta Early in Second Trimester of Pregnancy

Ai Sakamoto, Nobutsugu Oguni, Tadashi Hashimoto, Tomoyoshi Takata

Keywords : Circumvallate placenta, Early second trimester, HDlive, Prenatal diagnosis, Three-dimensional ultrasound

Citation Information : Sakamoto A, Oguni N, Hashimoto T, Takata T. Three-dimensional Ultrasound Diagnosis of Circumvallate Placenta Early in Second Trimester of Pregnancy. Donald School J Ultrasound Obstet Gynecol 2020; 14 (2):157-160.

DOI: 10.5005/jp-journals-10009-1630

License: CC BY-NC 4.0

Published Online: 30-07-2020

Copyright Statement:  Copyright © 2020; The Author(s).


We present three patients with a circumvallate placenta diagnosed by two-dimensional (2D)/three-dimensional (3D) ultrasound and HDlive early in the second trimester of pregnancy. The characteristic 2D sonographic findings were a thick placenta with its edges protruding into the uterine cavity. The unique 3D ultrasound characteristic of a circumvallate placenta early in the second trimester is a pizza-like appearance. Moreover, 3D ultrasound and HDlive can clearly differentiate partial from complete circumvallate placentas. Three-dimensional ultrasound and HDlive provide additional, useful information for the early second-trimester diagnosis of a circumvallate placenta.

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