inРaccessory examinationРThyroid function:FT3 13.22↑pmolo/L, FT4 46.35↑pmolo/L,TSH <0.005↓mIU/L, TPO 13.54 IU/ml.?BRT: WBC 6.7*10^9/L, Neutrophil 73.2%.?ESR:94↑mm/h.?CRP:48.7↑mg/L.Рuptake rate of I 131 decreasedРdiagnosisРSubacute thyroiditis (SAT)?SAT is the mon cause of thyroid pain. It is a self-limiting inflammatory disorder associated with many viral infections. The classical course of the disease includes an initial stage of hyperthyroidism followed by a second stage of hypothyroidism, usually transitory.Рdifferential diagnosisРHashimoto thyroiditis?TPOAb and TgAb rise?Graves disease?uptake rate of iodine increaseРtreatmentРTreatment is for support only and consists of NSAIDs and, in more severe cases, corticosteroids. Symptoms of hyperthyroidism should be treated with beta-blockers.