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Figure 2: (a) Angiogram obtained after CAS and retrieval of DPD showing the persistent concertina effect at the distal edge of the stent. (b) The final angiogram after deployment of a second distal stent demonstrating the disappearance of the concertina in the distal ICA

Figure 2: (a) Angiogram obtained after CAS and retrieval of DPD showing the persistent concertina effect at the distal edge of the stent. (b) The final angiogram after deployment of a second distal stent demonstrating
the disappearance of the concertina in the distal ICA