title: 5-fluorouracil-induced increase of total serum thyroxine and triiodothyronine.
abstract: Total serum thyroxine and triiodothyronine levels in a group of 15 patients with advanced mammary carcinoma significantly increased during weekly treatment with 5-fluorouracil, whereas serum free thyroxine levels and serum thyroid stimulating hormone levels were unchanged. No clinical signs of hyperthyroidism in these treated patients have been observed.
mesh_terms: D000368:Aged; D001943:Breast Neoplasms / Q000097:blood / Q000188:drug therapy*; D005260:Female; D005472:Fluorouracil / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D013972:Thyrotropin / Q000097:blood; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013972:Thyrotropin; D013974:Thyroxine; D005472:Fluorouracil