Endocrine Abstracts

Introduction: Abnormal thyroid function is the most common disease in endocrinology and its screening of made by plasmatic (TSH), followed by (fT4) determination if abnormal. (fT3) determination is only used when pathological (TSH) and normal (fT4) are found, even if there is no evidence supporting this procedure, apart from the greater technical difficulty of measuring (fT3) due to its lower plasma concentration.Material and Methods: Observational retro...