Figure 5From: Safety and performance analysis of acriflavine and methylene blue for in vivo imaging of precancerous lesions using fibered confocal fluorescence microscopy (FCFM): an experimental studyFCFM imaging of the different stages of carcinogenesis of the hamster cheek pouch after staining with acriflavine or methylene blue. A and B: mild dysplasia, C and D: severe dysplasia, E and F: carcinoma.Back to article page