Fig. 3

A 50-year-old female patient with neck tumor for 3 months (A) Transverse image of ultrasonography, showing heterogeneous hypoechoic nodules on the left lobe of thyroid with irregular border; (B) Longitudinal image of ultrasonography. The arrows show the internal small calcification; (C) Blood flow spectrum, showing rich blood flow signals; (D) Non-contrast CT, showing low-density nodules on the left lobe of thyroid; (E) Venous phase CT, showing heterogeneous significant enhancement of nodules in the left lobe of thyroid; (F) Pathological results, showing papillary thyroid carcinoma (* 400)