8912/3 Spindle cell rhabdomyosarcoma


Connective, subcutaneous and other soft tissues
ICD-O-3 topography code: C49
ICD10: C49

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.