Fig. 2

a ICA angiogram with noted sharp angle of the OA (arrow). b Catheterization of the OA was successful after reshaping of the guidewire. The tip of the micro-catheter is noted inside the ostium (arrow)
a ICA angiogram with noted sharp angle of the OA (arrow). b Catheterization of the OA was successful after reshaping of the guidewire. The tip of the micro-catheter is noted inside the ostium (arrow)