Fig. 4
From: Central retinal artery occlusion in Wegener's granulomatosis: a diagnostic dilemma

Kidney biopsy showing a vasculitic process of medium-sized arteries with central necrosis and surrounding histiocytes
From: Central retinal artery occlusion in Wegener's granulomatosis: a diagnostic dilemma
Kidney biopsy showing a vasculitic process of medium-sized arteries with central necrosis and surrounding histiocytes