Double contrast-enhanced ultrasonography in an exophytic gastric glomus tumor with unremarkable gastroscopy: A case report

Figure 2 Surgical and pathological findings of the gastric glomus tumor. A: Hematoxylin and eosin staining showed nests and sheets of relatively uniform round tumor cells arranged around dilated vascular channels (arrows; scale bar: 100 μm); B: Immunohistochemical staining demonstrated positive expression of smooth muscle actin in the tumor cells; C: Intraoperative laparoscopic view revealed a protruding mass on the gastric wall; D: Gross appearance of the resected specimen showed a well-circumscribed nodular lesion.