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Reconstructed geometries of sickle and non-sickle cerebral arteries. Three-dimensional models were generated from MRAs of one non-sickle subject (P1) (a) and two sickle patients: one with no history of stroke (P2) (b), and another post-stroke (P3) (c). The model of Patient 3’s artery is extended due a stenosis in the ICA (arrowhead). Scale bar is shown
