Diagnostic flaws in oral lichen planus and related lesions

There has been a constant debate as to the exact prevalence and malignant potential of oral lichen planus (OLP). The present ambiguity is due to the existence of lesions which have a clinicopathological resemblance to OLP [1]. Our research team had conducted a retrospective study on OLP and related lesions like oral epithelial dysplasia (OED), OLP, OLP with dysplasia and oral lichenoid lesions (OLL), and have commented on the possible existence of "oral lichenoid dysplasia" (OLD) which is a primary epithelial dysplasia with secondary lichenoid features as opposed to "OLP with dysplasia" which is a lichen planus with secondary dysplastic features [2].

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