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case_images: (A) Aberrant placental lobe (B) The relationship with umbilical vessels as demonstrated by color Doppler flow.
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case_images: The repeat scan infirmed the VSD but raised the suspicion of an aberrant placental lobe located towards the left uterine flank, distant from the main placental mass (Figure 1).
case_images: (A) Magnetic resonance serial sagittal T2 sections at the level of the uterus. Arrow - band of placental parenchyma between the placenta and the accessory lobe. (B) Magnetic resonance serial sagittal T2 sections at the level of the uterus - The maximum distance between main placental mass and the accessory lobe.
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case_images: MRI was performed at 28 WG. MRI examination confirmed the presence of the abnormal placental lobe measuring 36.5/19/35 mm, connected by a narrow band of tissue to the rest of the placental parenchyma, possibly placental vessels (Figure 2).
case_images: (A and B) Retroplacental hematoma (C) Normal umbilical artery Doppler parameters.
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case_images: Ultrasound scanning identified a retroplacental hematoma of approximately 9/5 cm with normal fetal heart rate, and normal Doppler indices (Figure 3). 
case_images: The intraoperative aspect of the placenta. (A) The retroplacental hematoma (white arrow) (B and C) The aberrant placental lobe (yellow arrow) and connecting vessels to the main placental mass (green arrow).
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case_images: Intraoperatively, the retroplacental hematoma was highlighted, as well as the aberrant placental lobe and adjacent vessels (Figure 4). When examining the placenta, the vascular connection between the aberrant placental lobe and the main placental mass was observed, the hematoma having accumulated between the lobe and the rest of the placental mass (Figure 4). 