ABSTRACT
Figure 2 Bowen’s disease. “Clonal” proliferation of single and nested atypical cells within all layers of the epidermis (arrows). Tumor cells are positive for AE1/AE3 and negative for MART-1.
Chapter 28:
Figure 3 Melanoma in situ. A typical cells within the lower to mid layers of the epidermis (arrow). Tumor cells are positive for MART-1.