16C3 Hemangiopericytoma, Grade 3 (Case 16) H&E 5 | Solitary Fibrous Tumor (SFT) | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL)

Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Solitary Fibrous Tumor (SFT) | 16C3 Hemangiopericytoma, Grade 3 (Case 16) H&E 5

This is a highly cellular tumor composed of haphazardly oriented, mildly pleomorphic round to oval cells with abundant slit-like vascular spaces and occasional staghorn vessels. Mitoses are variable and reach 7/10HPF. Focal necrosis is present.

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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Solitary Fibrous Tumor (SFT) | 16C3 Hemangiopericytoma, Grade 3 (Case 16) H&E 5