Figure 4

DSA arterial phase. A. Group A after 90 days, the left common carotid artery angiography showed normal radiographs in the arterial phase toward the common carotid artery (CCA), internal carotid artery (ICA), external carotid artery (ECA ), and ear artery (EA); B. group C after 90 days, the left common carotid artery angiography lateral arterial phase shows CCA, ECA, ICA, and EA toward tortuous, and visible abnormal development of the vertebral artery (VA), basilar artery (BA), DAVF, eye AVF, and the superior sagittal sinus (SSS).