Advanced Clinical Usefulness of Ultrasonography for Diseases in Oral and Maxillofacial Regions

Figure 9

Ultrasound images in the right half of the thyroid gland of an 81-year-old man with squamous cell carcinoma on the right side of the tongue and metastasis in one of the superior internal jugular lymph nodes. A 2.6-cm echogenic mass (arrows) in the right half of the thyroid gland is shown.