The Effect of Bevacizumab and Propranolol on Nasal Polyposis

Figure 1

VEGF-A expressions on each group: A slight expression is observed in normal mucosa and nasal polyp group; this expression was absent in propranolol and bevacizumab group (arrow head: mucosa, thick arrow: capillaries, thin arrow: intersisium (VEGF-A, IHC, DABx40).