Fig. 3
From: A minute primary gastric synovial sarcoma with ulcer: a case report
Pathological findings of the tumor. A The maximum size of the mass was 6 mm, and it was mainly located in the submucosa (H&E staining, original magnification ×40). B It consisted of a dense proliferation of spindle-shaped cells (H&E staining, original magnification ×400). C AE1/AE3 was focally positive in tumor cells. D SS18-SSX fusion-specific antibody gave diffuse positive staining to tumor cells