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Figure 1: A 27-year-old woman with history of cocaine abuse, presenting with severe headache. Axial SWI (a) image depict multiple subarachnoid hemorrhage foci in left fronto-parietal lobes (white arrow). 3D-TOF angiography with coronal MIP reconstruction (b) shows absence of flow in the tip of the left internal carotid artery (white arrow). Coronal (c) T1-vessel wall image with contrast depict circumferential wall thickening and enhancement in the corresponding vessel (arrow). Digital subtraction angiography image (d) also demonstrates the left supraclinoid ICA stenosis

Figure 1: A 27-year-old woman with history of cocaine abuse, presenting with severe headache. Axial SWI (a) image depict multiple subarachnoid hemorrhage foci in left fronto-parietal lobes (white arrow). 3D-TOF angiography with coronal MIP reconstruction (b) shows absence of flow in the tip of the left internal carotid artery (white arrow). Coronal (c) T1-vessel wall image with contrast depict circumferential wall thickening and enhancement in the corresponding vessel (arrow). Digital subtraction angiography image (d) also demonstrates the left supraclinoid ICA stenosis