Surgical treatments of recurrent small intestine metastatic melanoma manifesting with gastrointestinal hemorrhage and intussusception: A case report

Figure 7 Histopathological findings of the resected small intestine after the second surgery. A: Representative specimen showing that diffuse growth of tumor tissue affected the subserous layer. Hematoxylin and eosin, × 4; B: Tumor cells presented with a patchy distribution. Hematoxylin and eosin, × 10; C: Tumors had large nuclei, prominent nucleoli, and red cytoplasm. Some tumor cells showed pigment granules in the cytoplasm (green arrows). Hematoxylin and eosin, × 20; D: Some tumor cells showed pigment granules in the cytoplasm (green arrows). Epithelioid tumor cells contained mitotic figures (yellow arrows). Hematoxylin and eosin, × 40.