Identification and Differentiation of Thyroid Nodules by Acoustic Imaging and Viscoelastic Parameters

This study uses a new type of ultrasound technology to measure the physical properties of thyroid nodules and nearby lymph nodes to better determine if they are cancerous — potentially reducing the need for needle biopsies. **You may be eligible if...** - You are 8 years or older and have a thyroid nodule or neck mass that is suspected to be cancerous - You have been referred for a fine-needle biopsy of a thyroid or neck lump - You are 18 or older and were previously treated for thyroid cancer with surgery and now have a suspected recurrence **You may NOT be eligible if...** - You are under 8 years old - You do not have a thyroid nodule or suspicious neck mass - Your nodule or mass cannot be detected by ultrasound Talk to your doctor to see if this trial is right for you.