A rare and unusual hyperkeratotic disorder

Abstract

Clinical questionA 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 planusHyperkeratosis lenticularis perstansLichenoid drug reactionLichenoid keratosisPorokeratosis