17B1 Solitary Fibrous Tumor (SFT, Case 17) 1 H&E WM | Solitary Fibrous Tumor (SFT) | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL)

Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Solitary Fibrous Tumor (SFT) | 17B1 Solitary Fibrous Tumor (SFT, Case 17) 1 H&E WM

17B1-6 This is a cellular neoplasm composed of sheets of randomly oriented spindled cells interspersed with areas of thick "ropey" collagen. In some areas the tumor cells are separated into individual cells forming an interlacing network among the fibers of collagen. Some portions of the tumor are more cellular and have oval nuclei. Very small vessels are seen in association with rare branching vascular spaces with flattened endothelium. There are very few mitoses.

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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Solitary Fibrous Tumor (SFT) | 17B1 Solitary Fibrous Tumor (SFT, Case 17) 1 H&E WM