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A 39-year-old woman (patient No. 1) presenting with HH grade III SAH. A) Preprocedural DSA shows a blister aneurysm along the medial wall of the supraclinoid segment of the left ICA. B) Subsequent DSA shows enlargement of the blister aneurysm 4 days later. C) The patient was treated with stent-assisted coiling and followed by the stent-within-a-stent technique. D) Final DSA shows complete occlusion of BBA.
