Malignant glomus tumor of the intestinal ileum with multiorgan metastases: A case report and review of literature

Figure 1 Capsule endoscopic characteristics of the intestinal glomus tumor from different perspectives.

Figure 2 Histological characteristics of the malignant glomus tumor in ileum. A: Spindled tumor cells with branched or dilated vessels surrounded [hematoxylin and eosin (H&E) stain, 100 ×]; B: Spindled cells with high mitotic activity and nuclear atypia marked with arrows (H&E stain, 200 ×); and C: Tumor cells with vascular invasion (H&E stain, 100 ×).

Figure 3 Immunohistochemical staining characteristics of the malignant glomus tumor in ileum. A: Smooth muscle actin; B: Vimentin; C: Caldesmon; and D: Ki-67.