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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Solitary Fibrous Tumor (SFT) | 3A2 Hemangiopericytoma, WHO III (Case 3) H&E 20X
The tumor cells have moderate nuclear pleomorphism and are arranged in a haphazard pattern. There are abundant thin-walled branching vessels, and some vessels have a staghorn appearance. Mitotic activity is focally brisk (>5/10HPF). No necrosis is appreciated.
