What is the role of biopsy in the evaluation of oral lichen planus (OLP)?

Updated: Sep 15, 2020
  • Author: Jaisri R Thoppay, DDS, MBA, MS; Chief Editor: Jeff Burgess, DDS, MSD  more...
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Biopsy may be required to exclude malignancy or to differentiate between oral lichen planus (OLP) and other white or chronic ulcerative oral lesions, including reactive keratoses, chronic hyperplastic candidosis, epithelial dysplasia, discoid lupus erythematosus, gastrointestinal disease (including oral Crohn disease), and anemic states.

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