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Case Reports
. 2010 Mar 1;75(4):644-7.
doi: 10.1002/ccd.22358.

CT angiography for assessment of intracranial basilar apex aneurysm neck diameter reduction poststenting for treatment planning

Joseph G Adel  1 , Arun K Sherma, Bernard R Bendok
Affiliations
Case Reports

CT angiography for assessment of intracranial basilar apex aneurysm neck diameter reduction poststenting for treatment planning

Joseph G Adel et al. Catheter Cardiovasc Interv. .

Abstract

Background and purpose: Once a contraindication for a neuro-interventional therapeutic approach, some wide-necked aneurysms can now be treated with stent assistance. Radiologically assessing the impact of a stent on the neck of a wide-neck bifurcation, aneurysm remains a challenge however.

Methods: A 76-year-old female with a large irregular basilar apex aneurysm was referred for endovascular treatment. Angiographic imaging revealed a basilar apex aneurysm with a 6-mm neck and a 14-mm dome. The decision was made to perform staged stent-assisted coiling of the aneurysm. In the interim time, although the stent was allowed to heal in place, a CTA was done to assess the positioning of the stent and the degree of neck narrowing.

Results: The CTA showed that the neck had been narrowed from 6 to 2 mm hence making endovascular coiling feasible.

Conclusion: Our case illustrates the use of CTA poststent deployment to visualize the change in aneurysm neck caliber precoil embolization.

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