Figure 1From: Mutation analysis of the Gadd45 gene at exon 4 in atypical fibroxanthoma Atypical fibroxanthoma demonstrates the proliferation of atypical spindle or polygonal cells arranged in fascicles, in a haphazard or disorderly pattern. (A). Atypical fibroxanthoma shows positive nuclear immunoreaction for Bax (B). (H&E staining, A; × 180, Immunohistochemistry, B; × 200).Back to article page