Figure 4

The histopathological study of leiomyomatous hamartoma in immune-histochemical stain (bar; 100 μm). A: Positive reaction with smooth muscle actin in the muscle bundles. B: Positive reaction with desmin in the muscle bundles (arrow), but negative in the nerve. C: Positive reaction with S-100 protein in the nerve (arrow), but negative in smooth muscle bundles.