Background Preoperative embolization has been used for intracranial meningiomas for nearly 40 years with varying preferences for embolic materials and limited comparative data on their efficacy.

A 13-year-old girl with SID, CCTGA, ventricular septal defect (VSD), subvalvular pulmonary stenosis (PS), atrial septal defect (ASD), right anterior aorta, and atypical ductus arteriosus had undergone ...