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  Indian J Med Microbiol
 

Figure 9: Histopathologic features of cutaneous polyarteritis nodosa. (a and b) Inflammatory infiltrate involving medium- and large-sized arteries in the dermis and septa of subcutaneous fat (H and E, [a] ×40, [b] ×200). (c and d) fibrinoid necrosis and neutrophilic infiltrate involving full thickness of vessel wall (H and E, [c] ×100, [d] ×200)

Figure 9: Histopathologic features of cutaneous polyarteritis nodosa. (a and b) Inflammatory infiltrate involving medium- and large-sized arteries in the dermis and septa of subcutaneous fat (H and E, [a] ×40, [b] ×200). (c and d) fibrinoid necrosis and neutrophilic infiltrate involving full thickness of vessel wall (H and E, [c] ×100, [d] ×200)