| You review the symptoms of hypothyroidism and hyperthyroidism with her and find that she has none of them. |
| The symptoms of both hyperthyroidism and hypothyroidism are non-specific and can be mimicked by other conditions. |
| Most persons with thyroid nodules are euthyroid, with less than 1 percent of nodules causing hyperthyroidism or thyrotoxicosis. |
| The classical symptoms of hyperthyroidism are staring eyes and enlargement of the neck, but these need not be present. |
| Subclinical hyperthyroidism may be a distinct clinical entity, related only in part to Graves' disease or multinodular goiter. |
| Further research regarding the etiology, natural history, pathophysiology, and treatment of subclinical hyperthyroidism is warranted. |
