The Effect of Bevacizumab and Propranolol on Nasal Polyposis

Figure 4

Light microscopic findings on nasal polyps groups showing endotel cell damage (thick White arrow) in Propronalol group; hyalen necrosis in Bevacizumab group (thick black arrow). (Hematoxylin-eosin stained 5 micrometer thin slides: nasal polyp control and propranolol ×400; bevacizumab ×100).