umls-concept:C1266126 | skos:definition | NCI: An intermediate cutaneous fibrohistiocytic neoplasm that usually affects children and young adults. It is a multinodular, poorly circumscribed tumor characterized by the presence of multinucleated giant cells, mononuclear histiocyte-like cells, and spindle fibroblast-like cells arranged in a plexiform pattern. | lld:umls |