Close
Axial non-contrast
Axial C+ arterial phase
C+ portal venous phase
3D-VR
C+ portal venous phase
Sagittal C+ portal venous phase
CT
Axial non-contrast
Axial C+ arterial phase
C+ portal venous phase
3D-VR
C+ portal venous phase
Sagittal C+ portal venous phase
Bilateral well-defined upper cervical soft tissue mass, isodense to the muscles with vivid enhancement on postcontrast images, splaying the internal and external carotid arteries (lyre sign).
Diffusely enlarged thyroid gland with heterogeneous enhancement (known Graves disease).