Place de la détermination de l'iode urinaire dans l'exploration du sujet hyperthyroïdien

Abstract

Urinary iodine is not included in systematic exploration of patients with hyperthyroidism, substituted by hormonal measurements and scintigraphy exploration. Using micro plate colorimetric method, we have explored the interest of urinary iodine in differential diagnosis of some pathologies. We have shown that urinary iodine concentrations are not different between patients with euthyroidism and Basedow's syndrome. In patients with auto-immune or viral sub acute thyroiditis, urinary iodine is increased to 3 and to 10 in patients with iodine excess. In thyroiditis, urinary iodine is maximal during acute access. The follow-up of urinary iodine concentrations permits to evaluate the thyroid tissue damages and therapeutic efficiency. © 2003 Éditions scientifiques et médicales Elsevier SAS. Tous droits réservés.