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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Cancer Prev Res (Phila). 2009 Apr 28;2(5):401–404. doi: 10.1158/1940-6207.CAPR-09-0060

Fig. 2.

Fig. 2

A 63-year-old female former smoker was examined for 6 mo (A and B) and 12 mo (C) after a surgical excision of severe epithelial dysplasia on the left lateral tongue. A, white-light image of a well-healed scar on the left lateral tongue (arrow); B, the anterior aspect of this scar (arrow) under fluorescent visualization showing a dark brown region of autofluorescence loss. C, at 12 mo, the same area (arrow) showed a persistent autofluorescence loss of increased size; at 20 mo after initial treatment (data not shown), a biopsy from the region of loss (arrow) showed carcinoma in situ.