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FIG 2. Microscopic examination of the small saccular aneurysm after GDC occlusion.
A, Low-power photomicrograph shows a cross-section of the aneurysm at the fundus, with a fibrotic component (small star) adjacent to the aneurysmal wall (arrows) and an unformed thrombus at the center of the aneurysm (large star). The location of the coil is indicated (asterisk). (Azan stain; magnification x100)
B, Higher power magnification of the region adjacent to the wall shows fibrous connective tissue with rich capillaries. (Azan stain; magnification x200)
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