Cytological and Ultrasound Features of Thyroid Nodules Correlate with Histotypes and Variants of Thyroid Carcinoma.

At cytology, most FTC, NIFT-P, FV-PTC and SV-PTC were indeterminate, most CV-PTC and TCV-PTC were suspicious for malignancy or malignant. Ultrasound can be helpful in ruling out TCV-PTC.