title: Primary malignant fibrous histiocytoma of the thyroid.
mesh_terms: D000328:Adult; D000368:Aged; D003131:Combined Modality Therapy; D005260:Female; D051677:Histiocytoma, Malignant Fibrous / Q000401:mortality / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D016019:Survival Analysis; D013964:Thyroid Neoplasms / Q000401:mortality / Q000628:therapy*; D016896:Treatment Outcome