Ultrasound may be helpful in the diagnosis of Riedel's<unk> . Findings on an ultrasound suggestive of Riedel's<unk>  include hypoechogenicity, thyroid nodule infiltrating adjacent structures, and absence of blood flow on Doppler ultrasound.
Riedel's thyroiditis echocardiography and ultrasound
Riedel's thyroiditis MRI
De Quervain's thyroiditis MRI
Riedel's thyroiditis x ray
Riedel's thyroiditis CT scan
Silent thyroiditis MRI
Follicular thyroid cancer echocardiography and ultrasound
Hashimoto's thyroiditis echocardiography or ultrasound