TRAIL Study: Feasibility and Pilot

Local anesthetic is usually given and a small needle is used to take cells from the thyroid under ultrasound guidance through several 'passes' and placed into specialized media for pathology evaluation.

Ultrasound and a check-up at 6 months. Depending on ultrasound results, either biopsy and further care (as for the treatment arm called 'biopsy'), or continue with active monitoring.