For recurrent pterygium group, NOS immunoreactivity could be detected moderately for n-NOS in the epithelium and weakly for e-NOS in both epithelium and connective tissue.
Meanwhile, continuous expression of n-NOS with suppression of i-NOS and e-NOS may be an important step in the recurrence process of pterygia.
Orneklerdeki n-NOS, e-NOS ve i-NOS dagilimlari immunperoksidaz yontemi ile degerlendirildi.