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. 2020 Apr 15;20:105. doi: 10.1186/s12876-020-01266-3

Fig. 3.

Fig. 3

Pathological findings of the CIC-rearranged sarcoma. a Cut surface of the pancreaticoduodenectomy specimen shows a pale tan-colored tumor in the duodenum accompanied by hemorrhage and necrosis. b A low-power photomicrograph shows focal lobulation within a fibrotic stroma (20x). c A high-power photomicrograph reveals proliferation of round neoplastic cells with mild pleomorphism and focally prominent nucleoli (hematoxylin and eosin stain, 40x). d Neoplastic cells are positive for WT1 (immunohistochemistry, 40x). e Neoplastic cells are positive for ETV4 (immunohistochemistry, 40x). f Fluorescence in situ hybridization using a CIC break-apart probe set demonstrates CIC rearrangement, showing 5′ green and 3′ red abnormal split signals (100x)