Microvascular Profiling of Nodules in the Thyroid Gland

Who May Qualify: - Age over 18 years - Written and verbal willing to sign a consent form to participate in the study - Patients with hypo-, iso-, or hyperfunctioning thyroid nodules - Patients referred for thyroid surgery due to suspected malignant nodule (including Bethesda classification groups III, IV, V, and VI) - Healthy volunteers - generally good health with no chronic illnesses Who Should NOT Join This Trial: - Pregnancy - Inability to undergo the examination due to physical or mental limitations - Desire to opt out of receiving information about new, significant health findings revealed during the study - Healthy Participants: - Thyroid disease, including nodules, as well as current or past conditions affecting the thyroid - Medication that affects thyroid function Always talk to your doctor about whether this trial is right for you.