Posted on April 20, 2018September 7, 2018 by Alejandra HerronIt’s Pop Quiz Friday 4/20! Let’s see if you get it right! What immunohistochemical stain is most likely to be positive in this condition? HPV HHV-8 PAS S100 EBV To find out the correct answer and read the explanation, click here. Brought to you by our brand partner Derm In-Review Related posts:I Wish I Had Known: Residency TipsResources for Dermatology Board StudyingIt’s Pop Quiz Friday 6/15! Let’s see if you get it right!