Revue médicale de Bruxelles
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Subclinical hypothyroidism is defined as normal serum free thyroxine and tri-iodothyronine concentrations and a slightly eleveted serum thyrotropin (TSH) concentration. Only laboratory results can detect this disorder. ⋯ Most patients with subclinical hypothyroidism should be treated with thyroxine aiming to reduce the patient's serum TSH concentration to normal. Treatment will prevent progression to overt hypothyroidism and in some cases ameliorate non specific symptoms and lipid profile.