[Diagnostic strategy for a solitary thyroid nodule. Example of development of recommendations for a practice guideline].

The solitary thyroid nodule is frequently observed and many strategies are proposed for the diagnosis of the etiology and for the choice of treatment. Despite many discussions no clear consensus has been so far reached. The french groups concerned by this problem set up a Clinical Practice Guide line with the methodological help of Agence Nationale pour le Développement de l'Evaluation Médicale.