Fibrous histiocytoma is classified as -
Most benign fibrous histiocytomas consist of a proliferation of bland spindle cells, arranged in a storiform pattern. These are referred to - Dermatofibromas
Others may contain numerous blood vessels and hemosiderin deposition. These are referred to as Sclerosing Hemangioma
Hemangiopericytoma
Sclerosing haemangioma
Angiomyolipomas
Angiomyosarcoma