Fig. 2. Histologic findings before and after treatment: basal cell hyperplasia (p=0.008); papillary elongation (p=0.021); DIS (p=0.391); infiltration of intraepithelial eosinophils (p=0.348); infiltration of intraepithelial T lymphocytes (p=0.008). ^*p<0.05, ^†p<0.01. DIS, dilated intercellular spaces; eosinophils, infiltration of intraepithelial eosinophils; T lymphocytes, infiltration of intraepithelial T lymphocytes.