Giant nodular fasciitis originating from the humeral periosteum: A case report

Figure 3 Immunohistochemical staining. A: Tumor cells stained positive for SMA; B: Tumor cells stained positive for CD10; C: The cytoplasm tested positive for β-catenin; D: Tumor cells stained positive for calponin; E: The Ki67 index was 10%; F: Tumor cells stained negative for desmin; G: Tumor cells stained negative for EMA; H: Tumor cells stained negative for S-100; I: Tumor cells stained negative for CD34 (EnVision, × 100).