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Open Access Publications from the University of California

Dermatology Online Journal

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An oral lesion masquerading as lichen planus


Proliferative verrucous leukoplakia (PVL) is a rare, aggressive form of oral leukoplakia with a substantial risk of malignant transformation. The slowly progressive course and the lack of a single defining histopathologic characteristic for PVL make this entity a diagnostic challenge. We report on a patient who presented with a 7-year history of worsening oral lesions.

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