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(a) Solitary fibrous tumor of the hemangiopericytoma type (H and E, ×40); (b) solitary fibrous tumor of the classic type (H and E, ×20); (c) solitary fibrous tumor of the mixed type (H and E, ×10); (d) neoplastic elements extensively CD34 immunoreactivity (×40); (e) neoplastic elements extensively Bcl-2 immunoreactivity (×40)
