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Washington University Experience | VASCULAR | Vasculitis - Giant Cell Arteritis | 1C2 Arteritis, aneurysm, rupture (Case 1) N11 TRI 1
A higher magnification image of the entry of a small diameter normal appearing artery which soon joins the thick collagenous wall of the aneurysm. Much of the smooth muscle of the arterial wall is replaced by collagenous scar (Trichrome stain)
