Has complaints of recent 40 lb. weight loss, heat sensitivity, hoarseness of voice, nervousness and heart palpitations.
Physical exam reveals a gland without focal nodules.
Images revealed a gland of normal size with multiple focal regions of decreased activity in both thyroid lobes. Patient subsequently underwent I-131 therapy without complications. Hyperfunctioning thyroid nodules are the second most common cause of hyperthyroidism behind Grave's disease. Onset of thyrotoxicosis is gradual and usually after 50 years of age. Thyroid scans may reveal hyperfunctioning nodules with the remainder of the gland showing minimal or no uptake.