This patient presented with a one month history of progressive lichenification
This patient presented with a one month history of progressive lichenification, with fine scale developing over his whole body, starting at the feet and sparing the face and nails. The patient had worked in a chicken coop for the past 3 years.
A KOH scraping of the skin was negative. This case remains undiagnosed, and the differential is wide, including atopic dermatitis with secondary lichenification, Norwegian scabies, and syphilitic dermatitis, among others.
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