Thyroid Ultrasound Criteria to Diagnose Possible Malignant Tumors

There are so many important articles that do not get published in the radiology literature.

The recent issue of JAMA Internal Medicine has an article by Smith-Bindman R et al that discusses how to use thyroid USG signs to decide which nodules need to be biopsied.

Three criteria are important – microcalcifications, completely solid appearance and size greater than 2 cm. If we stringently follow the rule that at least two of these criteria have to be present before performing thyroid nodule biopsy, then the sensitivity would be reduced but with a high positive predictive value, but without compromising the ability to pick up malignancy. It is worth reading the article to understand the importance of large population based studies to help us use our radiology signs to better triage patients.

 

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