Primary malignant lymphoma of the thyroid.
D006801:Humans; D008223:Lymphoma / Q000000981:diagnostic imaging / Q000532:radiotherapy / Q000648:ultrastructure*; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013961:Thyroid Gland / Q000528:radiation effects / Q000648:ultrastructure; D013964:Thyroid Neoplasms / Q000000981:diagnostic imaging / Q000532:radiotherapy / Q000648:ultrastructure*