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A 78-year-old female presented with a pruritic rash on her legs for many years. A biopsy was taken from the right leg. Review the high-quality, interactive digital Aperio slide at http://virtualacp.com/JCP_Case/index.php and consider your diagnosis.
What is your diagnosis?
Atrophic lichen planus
Hyperkeratosis lenticularis perstans
Lichenoid drug reaction
Hyperkeratosis lenticularis perstans (‘Flegel's disease’) is a rare genodermatosis that was first described in 1958.1 Although there is no sex or racial predilection, most of the cases have been described in white Europeans. It develops in mid to late adult life and in some cases has an …