A 25-year-old primigravida presented at 26 weeks of gestation by dates, the first time for the routine antenatal checkup. No histories were suggestive of pregnancy-induced hypertension (PIH) and edema. On physical examination, pallor was present with microcytic hypochromic anemia. Raised beta-human chorionic gonadotropin (HCG) and alpha-fetoprotein (AFP) levels were present. Ultrasonography revealed triples with two thin echogenic intertwining membranes. Anomaly scan did not reveal any abnormality in fetuses. The placenta showed a large oval hypoechoic mass arising from its edge and bulge into the amniotic fluid. A central feeding vessel with a branching pattern and pulsatile color flow like that of the umbilical artery is noted on the color Doppler. She was spontaneously preterm delivered vaginally at 28 weeks of gestation. All three fetuses were stillborn. Histopathological diagnosis of angiomatous chorioangioma was confirmed. This case classically represents a grave complication of the large chorioangioma.
Keywords: chorioangioma; obs; placenta; sonography; triplets.
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