label: Fibrous Histiocytoma of Bone
label_lc: fibrous histiocytoma of bone
description: A rare, benign neoplasm usually arising from the non-metaphyseal regions of long bones or pelvis. It is characterized by the presence of fibroblastic spindle cells arranged in a whorled storiform pattern, osteoclast-like giant cells, foam cells, inflammatory cells, hemosiderin deposition and stromal hemorrhage.