Which of the following is NOT a typical feature of leukoplakia?

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Thickening of the outer skin layer (hyperkeratosis)Presence of plasma cells infiltrating the dermal papillaeAppearance of a white, plaque-like patch clinicallyLesion that appears moist and glossyNone of the above

Explanation

Leukoplakia commonly presents with hyperkeratosis and appears as a white, plaque-like patch. The lesion is usually dry rather than moist and shiny. Plasma cell infiltration in the dermal papillae is not a characteristic feature of leukoplakia.