Fig. 4
From: Optical biopsy for esophageal squamous cell neoplasia by using endocytoscopy
A representative case of intraepithelial neoplasia: A Endoscopic view by WLI. A faintly reddish lesion (yellow arrows can be seen. B Endoscopic view by NBI. A brownish area without background coloration (white arrows) can be seen. C Endocytoscopic image of the lesion. EC classification was graded to be 2 by the endoscopist. D Photomicrograph of the biopsied specimen shows atypical cells (H&E, orig. mag. × 40). EC2 EC classification 2, WLI white-light imaging, NBI narrow-band imaging