Advance Warning of Oral Cancer

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" Toluidine blue is an accepted indicator of oral cancers, Rosin said.

The current studies, however, demonstrate that the dye accurately

predicts which pre-malignant lesions are likely to advance toward

disease. Those lesions appear as white or, less frequently, red

patches. "

http://www.aacr.org/Default.aspx?p=1066 & d=510

Rodney.