title: Malignant lymphoma in Hashimoto thyroiditis: CT appearance.
abstract: A case of malignant lymphoma arising in a patient with Hashimoto thyroiditis is presented. Computed tomography revealed a large, well encapsulated unilateral mass without adenopathy. The CT appearance in light of the clinical and laboratory data strongly suggested the diagnosis of lymphoma in favor of carcinoma.
mesh_terms: D000368:Aged; D001707:Biopsy, Needle; D005260:Female; D006801:Humans; D008223:Lymphoma / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology; D013961:Thyroid Gland / Q000000981:diagnostic imaging / Q000473:pathology; D013967:Thyroiditis, Autoimmune / Q000150:complications / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed