Figure 2
From: Pilomatrix carcinoma presenting as an extra axial mass: clinicopathological features
Pilomatrix carcinoma. The top panel (Fig. 2a) shows atypical basaloid epithelium with mitotic activity (H&E, × 400). The bottom panel (Fig. 2b) demonstrates high proliferative rate of basaloid epithelium on an MIB1 immunohistochemical stain (× 400).