It was reported that during treatment of an aneurysm of the ic-paraclinoid, a fred 27 stent was deployed but the proximal part of the stent did not fully expand.Attempts to open the stent using a headway27 microcatehter and a microwire were unsuccessful and the stent was then attempted to be retrieved using a snare.However, when the stent was attempted to be retrieved into a guiding sheath at the cca while holding the stent, the stent dropped downwards in position.The stent could not be retrieved with the snare so it was pushed into the eca.A wall stent was then implanted from the ica to cca as a prophylactic measure.A fred stent of a different size was then implanted at the horizontal part of ic.The procedure was successfully completed.It was reported that "there has been no health problem to the patient since the procedure.".
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