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Figure 1: 43 year old lady with headaches and progressive diminution of vision in both the eyes. Right VA angiogram images (a, b and c) show giant right PCA aneurysm showing contrast stasis and reservoir phenomenon (c). Roadmap image of right VA angiogram (d) shows microcatheter positioned within the aneurysm sac. Endovascular treatment was performed with PVS. Post coiling left VA angiogram (e) shows complete occlusion of the right PCA at its origin. Post embolization right ICA angiogram (f, g and h) shows retrograde opacification of the right PCA upto the level of occlusion through pial collaterals

Figure 1: 43 year old lady with headaches and progressive diminution of vision in both the eyes. Right VA angiogram images (a, b and c) show giant right PCA aneurysm showing contrast stasis and reservoir phenomenon (c). Roadmap image of right VA angiogram (d) shows microcatheter positioned within the aneurysm sac. Endovascular treatment was performed with PVS. Post coiling left VA angiogram (e) shows complete occlusion of the right PCA at its origin. Post embolization right ICA angiogram (f, g and h) shows retrograde opacification of the right PCA upto the level of occlusion through pial collaterals