A diagnostically‐challenging case of melanoma ex blue nevus with comprehensive molecular analysis, including the 23‐gene expression signature (myPath melanoma). - Castillo, Stephanie A.; Pham, Anh K.; Barton, Dorothea T.; Lefferts, Joel A.; Yan, Shaofeng; Bridge, Julia A.; Linos, Konstantinos (Journal of Cutaneous Pathology, 2019)