Is It Time to Rethink What Thickness Really Means as a Prognostic Indicator in Melanoma? Ten Questions We Should Be Asking Ourselves

: Tumor thickness has been a key tool for prognosis of melanoma. However, with the advent of gene expression profile (GEP) assays for melanoma and the discovery of multiple melanoma subtypes, it is time to reassess how we view tumor thickness as a prognostic indicator.Herein we present ten questions for consideration by the shrewd practitioner when considering prognostic factors of melanoma. J Drugs Dermatol. 2019;18(2):148-151.