title: Round cell tumors in childhood: the application of newer techniques to the differential diagnosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis; D002395:Catecholamines / Q000378:metabolism; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis; D008297:Male; D008722:Methods; D009369:Neoplasms / Q000175:diagnosis* / Q000473:pathology; D009447:Neuroblastoma / Q000175:diagnosis; D012516:Osteosarcoma / Q000175:diagnosis; D011379:Prognosis; D012208:Rhabdomyosarcoma / Q000175:diagnosis; D012512:Sarcoma, Ewing / Q000175:diagnosis; D012983:Soft Tissue Neoplasms / Q000175:diagnosis
chemical_list: D002395:Catecholamines