Figure 18.

88-year-old woman with undifferentiated thyroid carcinoma with left IJV

FINDINGS: Hypo-attenuation in the left IJV and thyroid tumor are demonstrated on axial NECT (A arrow, dashed arrow) and axial CECT (B arrow, dashed arrow). Axial CECT also shows enlarged lymph nodes with necrotic foci (B curved arrow).

TECHNIQUE: Axial NECT and CECT. Images were acquired with TOSHIBA Aquilion 16-slices CT scanner at 35 mAs, for A and 34 mAs for B, 120 kV, and 5 mm slice thickness after intravenous administration of 100 mL Iopamidol (Iopamidol) 300 mg iodine/mL.