Figure 3

Immunohistochemistry in a solid adenoid cystic carcinoma with necrosis and high mitotic rate (same as Figure 1e). (a) Smooth muscle actin, (b) Calponin, (c) Smooth muscle myosin heavy chain, (d) metallothionein, (e) maspin, (f) p63. Scant expression of myoepithelial/basal cell markers seen at the periphery of tumor cell nests. Tumor necrosis is seen to the right side of all images.