Source:http://linkedlifedata.com/resource/umls/id/C1266134
NCI: A morphologic variant of embryonal rhabdomyosarcoma characterized by the presence of whorls of spindle cells forming a storiform pattern. In children it usually arises from soft tissues of the scrotum or head and neck; in adults it arises in non-paratesticular regions.,NCI: A subtype of embryonal rhabdomyosarcoma consisting of whorls or fascicles of spindle cells.