A 32 year-old woman was referred for a neck sonography (US) due to a history of pain in the right submandibular area. Her past medical history was negative.
On ultrasound, the thyroid gland, the parotid and sub-mandibular glands were normal. We noted three homogenously hypoechoic well-defined avascular foci of up to 4 mm: two right-sided and one left-sided in the thyroid cartilage (Fig. 1).
Sagittal ultrasound images of the neck demonstrating hypoechoic well-defined
Journal of Ultrasonography , ISSUE 77, 171–172