Source:http://linkedlifedata.com/resource/umls/id/C0855006
NCI: A benign neoplasm of bone comprised of giant cells (osteoclast-like) and mononuclear cells.,NCI: A benign, locally aggressive bone tumor, usually arising in the end of long bones or the vertebrae. The tumor is composed of round or oval mononuclear cells and uniformly distributed osteoclast-like giant cells. Clinical presentation includes pain, edema, and decrease range of motion in the affected joint.