| 摘要 |
A diagnostic method for identifying and delineating cancerous epithelial tissue comprising: a) applying rhodamine to the epithelium, to selectively mark cancerous tissue; and b) visually examining said epithelium, to identify and delineate suspected cancerous tissue sites, by comparing the colour of the suspected sites with the colour of the adjacent tissue; wherein the method does not include a surgical step. Also disclosed is a dye composition containing rhodamine which is selectively retained by cancerous and precancerous tissue.
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