Solitary fibrous tumor (SFT)
A histologic spectrum mesenchymal neoplasms that includes hemangiopericytoma (HPC).
• Tumors & tumor-like conditions of fibroblasts & myofibroblasts.
• SFT (WHO grade I), HPC (grade II), anaplastic HPC (grade III)
• Rarely metastasizing tumors
• Location: every anatomic sites üsoft tissue üViscera ü Body cavity sites (pleura, peritoneum, and meninges