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Giant vertebrobasilar junction aneurysms: unusual cases.
1Department of Neurosurgery, Neurosciences Center, All India Institute of Medical Sciences, Ansari Nagar, New Delhi-110029, India.
Neurology India
|July 17, 2003
Summary
Giant vertebrobasilar junction aneurysms are rare, particularly with multiple posterior circulation aneurysms. Surgical clipping was used for giant vertebrobasilar junction aneurysms in two complex cases, including one de novo occurrence.
Area of Science:
- Neurosurgery
- Vascular Neurology
- Neuroradiology
Background:
- Giant vertebrobasilar (VB) junction aneurysms are uncommon and challenging neurovascular conditions.
- Association with multiple posterior circulation aneurysms further increases complexity.
Observation:
- Two cases of complex VB junction aneurysms are presented.
- Case 1: Coexisting small and giant VB junction aneurysms treated with surgical clipping.
- Case 2: Initial small left anterior inferior cerebellar artery (AICA) aneurysm resolved spontaneously, followed by de novo giant VB junction aneurysm development and surgical clipping.
Findings:
- Successful surgical clipping of giant VB junction aneurysms in both presented cases.
- Demonstration of spontaneous resolution of a small AICA aneurysm.
- Highlighting the potential for de novo aneurysm formation even after initial resolution.
Implications:
- Surgical clipping remains a viable treatment for giant VB junction aneurysms.
- Emphasizes the importance of long-term angiographic follow-up for patients with posterior circulation aneurysms.
- Contributes to understanding the natural history and management of rare complex aneurysms.