Fig. 1From: In vivo optical cellular diagnosis for uterine cervical or vaginal intraepithelial neoplasia using flexible gastrointestinal endocytoscopy -a prospective pilot study-Classification of atypia by endocytoscopy. a ECA 1: Regular arrangement of small nuclei. b ECA 2: Different sizes of nuclei with halos. c ECA 3: Increase of cells without enlarged nuclei. d ECA 4: Slight increase of the ratio of nucleus ± cytoplasm. e ECA 5: Increase of the ratio of nucleus ± cytoplasm and irregular arrangement of enlarged and blurred nucleiBack to article page