PMC2266766_01
Photograph of an indurated, crusted lesion with central ulceration giving the lip a bitten off appearance.
1752-1947-2-29-1.jpg
PMC2266766_01_1752-1947-2-29-1.jpg
F1
Physical examination showed a painless, firm, indurated, crusted area of 4 cm with central ulceration giving the lip a bitten off appearance (Figure 1).