Clinical question 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