CT angiography for assessment of intracranial basilar apex aneurysm neck diameter reduction poststenting for treatment planning
✍ Scribed by Joseph G. Adel; Arun K. Sherma; Bernard R. Bendok
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 208 KB
- Volume
- 75
- Category
- Article
- ISSN
- 1522-1946
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✦ Synopsis
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. © 2009 Wiley‐Liss, Inc.