Article Figures & Data
Figures
- fig 1.
Left ICA angiogram shows MCA aneurysm before (A) and after (B) embolization with GDC. Right ICA angiogram shows carotid ophthlamic aneurysm before (C) and after (D) embolization with GDC
- fig 2.
Left ICA angiogram done 1year after GDC treatment of left MCA. Aneurysm remains completely occluded (A). Right ICA angiogram done 1 year after GDC treatment of right carotid ophthalmic aneurysm (B). There is some coil compaction and a small-neck remnant
- fig 3.
Pathologic findings of MCA aneurysm fundus. The cast of the coils, removed for cutting purposes, is completely surrounded by richly vascular fibrous tissue more cellular at the periphery of the fundus (star) and around the platinum coils (Hematoxilin and eosin stain; magnification ×200) (A). Many multinucleated foreign body giant cells are stretched along the coil casts, and some were released in the lumen of the coil casts (arrow), probably during coil removal for cutting purposes (Hematoxilin and eosin stain; magnification ×400) (B).
- fig 4.
Histologic study of the aneurysm neck.
A, Capillary growth into the aneurysm neck (1) proceeded from the lumen of the ICA (P) via the neck. A thick and dense layer of collagen tissue aligned parallel to the long axis of the parent vessel, covering ostium (C) (Trichrome stain; magnification ×200).
B, Transition zone between the endothelial cell lining of neovessels and endothelial cells line the surface of the collagen tissue covering the neck. The neointima is organized in two layers. The most superficial layer comprises endothelium continuous with neovessels proceding from the lumen of the parent vessel (arrow). The deepest layer of neointima consited of dense vascular and collagenous fibrous tissue (C) (Hematoxilin and eosin stain; magnification ×400).
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