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Washington University Experience | VASCULAR | Vasculitis - PACNS | 3C6 Angiitis, granulomatous, CNS only (Case 3) SMA 7 copy
Smooth muscle actin immunostain identifies disorganization of the vessels which show residual vascular elements within the original wall (arrowhead) and stains the endothelium of recanalized small vessels. (SMA IHC)
