On Transverse Scans of the Thyroid Gland, the Esophagus Normally

question 18

Multiple Choice

On transverse scans of the thyroid gland, the esophagus normally is visualized as

• A) a hypoechoic density with posterior acoustic enhancement, medial to the sternocleidomastoid muscle.
• B) a high echogenic mass proximal to the superior parathyroid gland on the left.
• C) a target lesion inferior to the lower pole of the right lobe.
• D) posterior to the gland on the left, with a bull's eye appearance.