Which imaging feature is most strongly associated with malignant thyroid nodules?

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Multiple Choice

Which imaging feature is most strongly associated with malignant thyroid nodules?

Tiny calcifications within a thyroid nodule on ultrasound are a particularly strong hint of cancer, most classically papillary thyroid carcinoma. These microcalcifications appear as tiny punctate echogenic foci and, because of their high specificity for malignancy, point most strongly to an malignant nodule among common ultrasound features. By contrast, a hyperechoic texture and a homogeneous echotexture are more typical of benign nodules, and smooth, even margins likewise favor a benign process. Malignant nodules more often show irregular or infiltrative margins. So the presence of microcalcifications is the imaging feature most strongly associated with malignancy.

Tiny calcifications within a thyroid nodule on ultrasound are a particularly strong hint of cancer, most classically papillary thyroid carcinoma. These microcalcifications appear as tiny punctate echogenic foci and, because of their high specificity for malignancy, point most strongly to an malignant nodule among common ultrasound features. By contrast, a hyperechoic texture and a homogeneous echotexture are more typical of benign nodules, and smooth, even margins likewise favor a benign process. Malignant nodules more often show irregular or infiltrative margins. So the presence of microcalcifications is the imaging feature most strongly associated with malignancy.

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