Application of p-toluidine blue_Kain Industrial Additive

background and overview[1][2] p-toluidine blue is an organic reagent, a topical drug used to increase the positive rate of vulvar cancer biopsy. apply 1% p-toluidine blue solution to the vulva, let it dry for 2 to 3 minutes, and then use 1% acetic acid to decolorize it. if there is atypical hyperplasia, the lesion area…