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Figure 2: DSA performed 6 days after the clinical onset. Frontal angiogram (a) and oblique magnification (b) of right anterior circulation disclose multiple focal narrowing distal branches of Middle Cerebral Artery (MCA) and Anterior Cerebral Artery (ACA) (arrows). Few occluded branches with ipovascular area in the region of the right frontoparietal hematoma is demonstrated (asterisk). Oblique magnification angiogram (c) of left anterior circulation highlights the typical “string of pearls” appearance of a distal branch of ACA (white arrowheads). Similar findings are founded in PCA territories (d and e) and in the right PICA (f) (arrows). A small pseudoaneurysm of V3 segment of right vertebral artery is detected (black arrowhead)

Figure 2: DSA performed 6 days after the clinical onset. Frontal angiogram (a) and oblique magnification (b) of right anterior circulation disclose multiple focal narrowing distal branches of Middle Cerebral Artery (MCA) and Anterior Cerebral Artery (ACA) (arrows). Few occluded branches with ipovascular area in the region of the right frontoparietal hematoma is demonstrated (asterisk). Oblique magnification angiogram (c) of left anterior circulation highlights the typical “string of pearls” appearance of a distal branch of ACA (white arrowheads). Similar findings are founded in PCA territories (d and e) and in the right PICA (f) (arrows). A small pseudoaneurysm of V3 segment of right vertebral artery is detected (black arrowhead)