Tip - What Are the Concerns of an Enlarged Thyroid? | LIVESTRONG.COM

An enlarged thyroid gland, swelling of the small gland at the base of the neck, is caused by many factors, some of which are serious, according to the Mayo Clinic. It occurs when the gland is producing too little or too much thyroid hormone. Benign thyroid nodules or cancer also make the thyroid swell. If left untreated, an enlarged thyroid can...