Table 3.

Clinical Features of Subacute Thyroiditis

JapanIsrael
Number85256
Females (%)8770
Seasonsummer-autumnno effect
Recurrence1.6%9%
Temp >38028%--
Thyrotoxic symptoms60%--
Hypothyroid phase--55%
Laboratory - peak levels1 week--
Antithyroid antibodies--25%
Ultra Sound
Bilateral hypoechogenicity50%70%
Nodules--70%
Disease duration (days)--77

--: no data. Data derived from refs (110,235).

From: Acute and Subacute, and Riedel’s Thyroiditis

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