NCIt synonyms : Benign Fibrous Histiocytoma of Bone;
NCIt definition : 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.;