Causes and Clinical Characteristics of Small Bowel Bleeding in Northern Vietnam

Figure 2

Representative images of an ileal glomus tumor. (a-b) Double-balloon enteroscopy revealed a protruded tumor with an ulcer surface. (c-d) Histological findings. (c) The tumor developed in the submucosal layer, composed of uniform glomus cells with round nuclei and amphophilic to eosinophilic cytoplasm arranging in nests, sheets, and trabeculae separated by branching vessels. Hematoxylin and eosin staining; original magnification x40 (box, x200). (d) Tumor cells were positive for SMA and CD34 (box). Immunohistochemistry staining; original magnification x40 (box, x200).