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. 2006 Jan 4;4:1. doi: 10.1186/1477-7819-4-1

Figure 3.

Figure 3

Photomicrograph of the edge of the tumour (× 40). (A). The tumour is composed of spindle cells which show nuclear pleomorphism with occasional giant nuclei (Hematoxylin and eosin × 200), (B). Immunohistochemistry for epithelial marker AE1/AE3 (C), and for S100 (D) is negative, but tumor is strongly positive for smooth muscle marker smooth muscle actin(E).