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Placental localization in abdominal pregnancy using technetium-99m-labeled red blood cells
Abstract:
In a patient with third trimester abdominal pregnancy with fetal demise, technetium-99m-labeled erythrocytes (99mTc-RBCs) localized the placenta preoperatively, after nonvisualization by ultrasonography and arteriography. Extrauterine placental localization by blood-pool imaging may be useful when ultrasound fails.