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Distal subtraction angiography. (a) Initial angiography showed an M1 occlusion. (b) Delay images showed leptomeningeal collaterals from the anterior cerebral artery (arrows). (c) The tip of the Headway 17 microcatheter (arrow) and the deployed ERIC device (arrow heads). (d) The retrieved calcified emboli in the interlinked cage of the ERIC device. (e) The final angiography showed complete recanalization.
