The vasculitis in this case affects both small (< 100 micrometers) and medium vessels. Granulomas are absent. Eosinophils are rare. Histomorphologic, diagnostic considerations are polyarteritis nodosa and microscopic polyangiitis.
{{Information |Description ={{en|1=Very high magnification micrograph of a '''vasculitic neuropathy''', also '''neuropathy due to a vasculitis'''. Resin section (plastics) with [[w:toluidine blue stain