Fig. 2From: Circular stripes were more common in Barrett’s esophagus after acetic acid stainingAceto-whitening reaction for the diagnosis of BE after instillation of 2% acetic acid. a, b, c After spraying acetic acid, the mucosal surface shows multiple CS near EGJ, with the surface pattern could be identified by either reticular or punctate or villous. d normal mucosa with punctate pattern without CSBack to article page