Placental chorioangioma separation in third trimester after fetoscopic laser therapy: Report of a rare case.

A primigravida received fetoscopic laser photocoagulation treatment at 25 +1 weeks gestation as a chorioangioma enlarged to 61 × 46 × 52 mm. However, a cesarean section was performed due to the chorioangioma separated from the placenta at 32 +2 weeks gestation. As the chorioangioma's blood supply were blocked, it was possible to provide expectant treatment.