case_images: PMC7490129_01
case_images: the placental chorioangioma on ultrasound at 21 weeks  gestation
case_images: PAMJ-36-214-g001.jpg
case_images: PMC7490129_01_PAMJ-36-214-g001.jpg
case_images: F1
case_images: 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).
case_images: sonogram obtained at 34 weeks and 6 days  gestation shows the chorioangioma measuring 6.27 x 5.38cm
case_images: PAMJ-36-214-g002.jpg
case_images: PMC7490129_01_PAMJ-36-214-g002.jpg
case_images: F2
case_images: 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).
case_images: histologic feature of chorioangioma (hematoxylin-eosin stain)
case_images: PAMJ-36-214-g003.jpg
case_images: PMC7490129_01_PAMJ-36-214-g003.jpg
case_images: F3
case_images: Microscopically, the tumor represented an angiomatous-type chorioangioma consisting of numerous capillary-type vessels (Figure 3).