obsolete_Giant Cell Tumor of Soft Tissue true ICDO:9251/1 Osteoclastoma of soft tissue EFO:1000281 giant cell tumor of soft tissue http://purl.obolibrary.org/obo/MONDO_0006232 UMLS:C0334553 Replaced by Mondo term MONDO_0006232, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006232 3.88.0 GCT-ST 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. It rarely metastasizes. NCIT:C49107