Hypertrophic lichen planus (HLP) and squamous cell carcinoma (SCC) share many clinical and histopathologic characteristics, making them difficult to distinguish. HLP may undergo malignant transformation, leading to the development of SCC within HLP. We present a case of HLP that mimicked SCC and was referred for surgical intervention. This case underscores how increased awareness of subtle clinical and histopathologic features that distinguish HLP from SCC can help providers promote timely initiation of appropriate treatment.
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Levandoski et al. (2017) studied this question.
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