neurologic systems. The principal routes of transmission are sexual, blood, and
perinatal contacts. Common oral findings in patients with AIDS include candidiasis,
herpes, hairy leukoplakia (figure 2-19), and Kaposi's sarcoma (figure 2-20).
Figure 2-19. Hairy leukoplakia on the lateral border of the tongue.
Figure 2-20. Kaposi's sarcoma on the dorsal surface of the tongue.