Oral Lichen Planus in Thai Patients Has a Low Prevalence of Human Papillomavirus
Figure 1
Histopathology of tissue biopsies confirming oral lichen planus. (a) Magnification ×100 shows hyperkeratosis, a bandlike of lymphocytes infiltrate in the superficial lamina propria, and (b) magnification ×200 shows degeneration of basal cell layer, various degrees of parakeratosis, and orthokeratosis of the surface epithelium, dense infiltrate of lymphocytes subjacent to the epithelium, and degenerating keratinocytes.
