Clinically, there are two distinct types of BCC, nodular and morpheaform. The nodular type usually presents as an elevated mass with fairly well defined margins (Figure 1). Ulceration may develop.

Biopsies of morpheaform basal cell carcinomas (MBCCs) were separated into 2 groups based on histological features: 1) a pure morpheaform group with narrow elongated strands of basaloid cells in a ...