title: [Differentiated thyroid carcinomas manifesting as toxic adenoma].
abstract: BACKGROUND
  Hot thyroid nodules are generally benign. We report two exceptional cases of thyroid carcinomas mimicking toxic adenomas.
  
  
  METHODS
  A 35-year-old man and a 55-year-old woman had thyroid carcinoma behaving as an autonomously hyperfunctioning nodule.
  
  
  CONCLUSIONS
  Only twenty similar cases have been reported in the literature. While a hot nodule on radio-iodine scan is unlikely to be malignant, the possibility of carcinoma should not be overlooked. Surgery should therefore be the preferred treatment of toxic adenoma.
authors.affiliation: Clinique des Maladies endocriniennes et métaboliques, Hôpital Cochin, Paris.
authors.forename: G
authors.initials: G
authors.lastname: Barrande
authors.forename: J
authors.initials: J
authors.lastname: Bertherat
authors.forename: L
authors.initials: L
authors.lastname: Billaud
authors.forename: A
authors.initials: A
authors.lastname: Louvel
authors.forename: P
authors.initials: P
authors.lastname: Thomopoulos
authors.forename: J P
authors.initials: JP
authors.lastname: Luton
mesh_terms: D000328:Adult; D002277:Carcinoma / Q000175:diagnosis / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013964:Thyroid Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging*; D016606:Thyroid Nodule / Q000175:diagnosis / Q000000981:diagnostic imaging*
vernacular_title: Carcinomes thyroïdiens différenciés se manifestant comme un adénome toxique.