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Surgical Case Reports
Fig. 4 | Surgical Case Reports

Fig. 4

From: Sigmoid colon schwannoma difficult to distinguish from peritoneal dissemination 13 years after pancreatic neuroendocrine tumor surgery

Fig. 4

The resected specimen. A, B The tumor was 30 × 16 mm in size, and the split surface was white. C, D Microscopic examination showed an arrangement of eosinophilic spindle-shaped cells in the colonic wall (C: hematoxylin and eosin × 40, D: hematoxylin and eosin × 100). Immunohistochemistry revealed the expression of S100 (E) and non-expression of c-kit (F)

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