Chapter 19. ACUTE AND SUBACUTE, AND RIEDEL’S THYROIDITIS

A thyroid ultrasound may be done but characteristic findings vary depending on the phase of AST during which the patient is observed. In the early inflammatory phase of AST, when obvious abscess formation is not evident, the ultrasound may show a localized hypoechoic process with an obscure border and effacement between the thyroid and ... ................
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