Carcinoma of the mouth presents in one of four forms (Figures 2, 3, 4):
White lesion (leukoplakia)
Red lesion (erythroplakia)
Red and white lesion (erythroleukoplakia)
Figure 2. A small SCC of the ventral tongue presenting as a non-healing ulcer.
Figure 3. An SCC of the ventral tongue presenting as a red and white lesion.
Figure 4. This large red mass from the floor of mouth was proven to be an SCC by biopsy.