Am J Dermatopathol 2017 Aug 9. Epub 2017 Aug 9.
Departments of *Dermatology, and †Pathology, New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY.
Hypertrophic discoid lupus erythematosus can resemble keratoacanthoma histomorphologically. We describe a unique case of eruptive keratoacanthomatous scaly papules in a 56-year-old woman with discoid lupus erythematosus. We review the literature and conclude by discussing important histologic features and useful immunostains to consider when attempting to discern the underlying identity and pathogenicity of such lesions. Read More