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  Indian J Med Microbiol
 

Figure 4: Arteriovenous malformation (a) arteriole with concentric smooth muscles (Masson's trichrome × 400),(b) dysplastic vein (thin arrow) with varying thickness and red blood cell extravasation (thick arrow)(Verhoeff–van Gieson, ×100),(c) eccentric intimal fibrosis of artery (Masson's trichrome, ×100) and (d) luminal occlusion of arterialized vein (arrow)(Masson's trichrome, ×100)

Figure 4: Arteriovenous malformation (a) arteriole with concentric smooth muscles (Masson's trichrome × 400),(b) dysplastic vein (thin arrow) with varying thickness and red blood cell extravasation (thick arrow)(Verhoeff–van Gieson, ×100),(c) eccentric intimal fibrosis of artery (Masson's trichrome, ×100) and (d) luminal occlusion of arterialized vein (arrow)(Masson's trichrome, ×100)