Review Article

Solitary Fibrous Tumors and So-Called Hemangiopericytoma

Table 1

The current partition of the old-term “hemangiopericytoma” (HPC).

True HPC, with myoid/pericytic differentiation(i) HPC
(ii) Infantile HPC (infantile myofibromatosis)
(iii) Glomangiopericytoma/myopericytoma

Solitary fibrous tumour (SFT) group(i) SFT
(ii) Giant cell angiofibroma
(iii) Lipomatous HPC

Other tumours with HPC-like features(i) Synovial sarcoma with HPC-like features