It is called Oral Hairy Leukoplakia because of keratinized lesions that are formed on the tongue.
Oral Hairy Leukoplakia: An Epstein-Barr Virus-Associated Disease ...
), n a white plaque formed on the oral mucosa from surface epithelial cells with an unknown etiology. It is leathery, opaque, and somewhat thickened. Excluded from this are the white lesions of lichen planus, white sponge nevus, burns, thrush, and other clinically recognizable entities.
Histologically, hyperkeratosis, acanthosis, and subepithelial and perivascular infiltrate of round cells may be seen. Dyskeratosis may be present. These lesions may progress to malignancy, with cellular atypicism, dyskeratosis, epithelial pearl formation, and infiltration of malignant cells into connective tissue. See also dyskeratosis; hyperkeratosis.
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