Prevalence of malignancy was relatively low among thyroid nodules with indeterminate cytology and negative molecular testing.

Schematic representation of thyroid cancer origin and its putative progression. Oncocytic adenoma and carcinoma are currently considered to be variants of follicular adenoma and carcinoma.

Ultrasound shows a solid nodule on the left side of the thyroid gland ... medullary thyroid carcinoma; PTC, papillary thyroid carcinoma; FTC, follicular thyroid carcinoma; TI-RADS, thyroid imaging ...