Goiter, which is caused by an enlarged thyroid gland, can be present with other forms of hyperthyroidism, although<unk> ' disease is the most common cause. A large goiter is visible to the naked eye, but a smaller goiter may not be clinically detectable, though ultrasound can assist in detecting it.
Graves' disease echocardiography or ultrasound
Sheehan's syndrome echocardiography or ultrasound
Hashimoto's thyroiditis echocardiography or ultrasound
Autoimmune polyendocrine syndrome echocardiography or ultrasound
Riedel's thyroiditis other diagnostic studies
Riedel's thyroiditis echocardiography and ultrasound
Graves' disease other diagnostic studies
Graves' disease physical examination