• Obstetrics and gynecology · Sep 2004

    Case Reports

    Prenatal diagnosis of placenta accreta and percreta with ultrasonography, color Doppler, and magnetic resonance imaging.

    • Pekka Taipale, Maija-Riitta Orden, Marja Berg, Hannu Manninen, and Irina Alafuzoff.
    • Department of Obstetrics and Gynecology, Hyvinkää Hospital, Hyvinkää, Finland. pekka.taipale@hus.fi
    • Obstet Gynecol. 2004 Sep 1; 104 (3): 537-40.

    BackgroundThe risk of placenta previa and accreta is increased in females with previous cesarean deliveries, and there has been an increasing number of these operations.CasesWe present 2 cases with previous cesarean and placenta previa in the following pregnancy. One patient had placenta accreta and the other, placenta percreta. In both cases, prenatal diagnosis was based on ultrasonography, where features such as loss of the hypoechoic retroplacental zone and irregular uterine serosa were found in grayscale ultrasonography. In color Doppler imaging, in both cases, increased vascularity between myometrium and placenta, as well as intraplacental lacunae, were seen. Thinning of the uterine wall, found in magnetic resonance imaging, contributed to the diagnosis of placenta percreta.ConclusionPrenatal diagnosis of placenta accreta is of importance because it reduces fetal and maternal morbidity as appropriate preoperative and perioperative procedures are possible.

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