Cells to Surgery Quiz: March 2016.

Editorial note: Welcome to the Journal of Investigative Dermatology (JID) Cells to Surgery Quiz. In this monthly online-only quiz, the first question (“What is your diagnosis?”) relates to the clinical image above, while additional questions concern the findings reported in a JID article that provides new information about that disease entity. The quiz questions may be found in the menu bar on the right-hand side of this page. A list of references relevant to the quiz appears below. Questions 2 u0026 3 refer to the article by Neel et al. (http://dx.doi.org/10.1016/j.jid. 2015.12.023) Detailed answers are available as Supplementary Material linked to this article.