Figure 4From: Safety and performance analysis of acriflavine and methylene blue for in vivo imaging of precancerous lesions using fibered confocal fluorescence microscopy (FCFM): an experimental study Histological analysis on hematoxylin-eosin-safran (HES) stained slides: A/ normal epithelium (X2), B/ hyperplasia (X10), C/ mild dysplasia (X10), D/ moderate dysplasia (X10), E/ severe dysplasia (X10), F/ microinvasive carcinoma (X20). Back to article page