A Novel Ultrasound Probe for Thyroid Imaging and Machine Learning

Inclusion Criteria: * Participants must be ≥ 18 years of age * Able and willing to sign informed consent * Known thyroid nodule demonstrated on a prior thyroid US and is undergoing active surveillance of the nodule with serial USs Exclusion Criteria: * Unable to lay flat for 15 minutes * Active neck wounds, dressings, or skin conditions that would interfere with neck US (e.g., preclude transducer placement) * Cervical spine or back disease that would prevent neck extension and would hinder the ability to obtain accurate thyroid US images * Previous thyroid surgeries, radiation of face and neck * Known inflammatory thyroid diseases or thyroiditis (e.g., Graves, Hashimoto)