PMC7490129_01
the placental chorioangioma on ultrasound at 21 weeks  gestation
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F1
A 29-year-old Caucasian primigravida woman with unremarkable medical history was noted on routine scan at 21 weeks of gestation to have a placental mass measuring 1.8 x 2.2 cm (Figure 1).
sonogram obtained at 34 weeks and 6 days  gestation shows the chorioangioma measuring 6.27 x 5.38cm
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F2
At 34 weeks and 6 days of gestation, the mass in the placenta had increased in size to 6.27 x 5.38 cm (Figure 2).
histologic feature of chorioangioma (hematoxylin-eosin stain)
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F3
Microscopically, the tumor represented an angiomatous-type chorioangioma consisting of numerous capillary-type vessels (Figure 3).