Successful Treatment of Placental Chorangiomas by Ultrasound-Guided Percutaneous in utero Microcoil Embolization

Abstract

Placental chorangiomas can cause a high-output fetal state and increase neonatal morbidity and mortality. There is a paucity of data published describing the optimal treatment of these cases, and methods for occlusion to date include placement of vascular clips, bipolar cautery, injection of alcohol or surgical glue, interstitial laser, and microcoil embolization. We report 2 cases of prenatally diagnosed chorangiomas that caused a high-output fetal state and were successfully treated with microcoil embolization. This case series describes our technique and supports microcoil embolization as a potentially safe and effective antenatal treatment option in symptomatic chorangiomas.

Innovation in fetal surgery: Use of vascular plugs in placental chorioangioma with fetal hydrops

“…Experience with in utero treatment of placental chorioangiomas is limited 2,3 . Management strategies include those that target the complications (amnioreduction, IUT, and transplacental pharmacotherapy) 3 and those intended to diminish or eliminate flow in the chorioangioma (vessel ablation, chemoembolization, and mechanical embolization) 2–4 . Each of the latter strategies carries its own risks and benefits.…”