A goiter may be large enough for you to see or to feel with your hand, or it may remain unnoticed until a doctor discovers it, perhaps during a routine exam.
In any case, the first step is to determine whether the goiter is a symptom of another thyroid condition.
An ultrasound of the thyroid gland may help to determine the size of the gland and the presence of nodules.
Radioactive iodide uptake tests track how much iodide the thyroid takes in within a certain time period. Higher-than-normal...