Figure 3From: Ectopic thyroid tissue in the head and neck: a case series Axial (a) and sagittal (b) unenhanced computed tomography scans show the presence of a hypodense round mass (3 × 4 cm) (arrows) with a fluid density value (mean density = 20 HU) located medially and in front of the hyoid bone (arrowhead). Back to article page