Figure 1.

(a) Immunohistochemistry stained section showing alpha-smooth muscle actin-positive myofibroblasts in oral squamous cell carcinoma under ×10, (b) immunohistochemistry stained section showing myofibroblasts in oral squamous cell carcinoma under ×40, (c) immunohistochemistry stained section showing alpha-smooth muscle actin-positive myofibroblasts in solid multicystic ameloblastoma under ×10, (d) immunohistochemistry stained section showing alpha-smooth muscle actin-positive myofibroblasts in solid multicystic ameloblastoma under ×40