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Currently filtering by tag: Neovascularization

Vascular Changes On Thick Sections

vasculitis
Low power image: The small arteriole (large arrow) shows thickening and hypercellularity of its wall.  The hypercellularity is in part due to the presence of chronic cells. Note the marked loss of myelinated axons in the two nerve fascicles (small arrows)   This 50-year-old patient presented with microscopic hematuria, weight loss, and difficulty with gait. Electrodiagnostic studies are reported to have demonstrated features of a multifocal sensorimotor neuropathy. Laboratory studies showed positive cANCA, elevated ESR and CRP, and normal CPK. The patient was treated with steroid and azathioprine prior to nerve biopsy.   Which of the following morphologic features in...