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Incidental epidermolytic hyperkeratosis
Incidental epidermolytic hyperkeratosis
Incidental epidermolytic hyperkeratosis represents a focal non-specific finding of epidermolytic hyperkeratosis in the epidermis overlying or adjacent to an unrelated lesion. It is very common and has been described, for example, in seborrheic keratoses, melanocytic nevi, actinic keratosis, squamous cell carcinoma, and melanoma. In such incidental cases, the changes
Beyond that, inflammatory conditions, e.g., lichen planus, nummular dermatitis, Grover disease, pityriasis versicolor, and others, may also show the incidental phenomenon of epidermolytic hyperkeratosis.2,8