He is the pathology of thyroid grew more than normal due to iodine deficiency. ธัยรอย level and hormones in the blood is low. Thyroid hormone (not because iodine deficiency). And as a result, to stimulate the pituitary gland.ให้หลั low thyroid stimulating hormone (TSH = Thyroid Stimulating Hormone), thyroid, therefore, have to work harder. To create a thyroid hormone to meet the needs of the body. The cells of the thyroid enlargement grew."Goiter."
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