Source:http://linkedlifedata.com/resource/umls/id/C0334553
NCI: A painless, well circumscribed tumor arising in soft tissue, usually of the upper and lower extremities. Morphologically, it is characterized by a multinodular growth pattern. The cellular infiltrate is composed of mononuclear round or oval cells and multinucleated osteoclast-like giant cells, in a rich vascular stroma.