For patients with optic neuritis who have an increased risk of developing MS (on the basis of an abnormal brain MRI), many studies support the early use of medications aimed to reduce the risk of MS.
1 The normal size of the thyroid gland in adults is 4 to 4.8 cm x 1.0 to 1.8 cm x 0.8 to1.6 cm. 2  Its normal weight ranges between 15-25 grams.3  The weight of this gland grows heavier in women. 4  It escalates up to 50% during the early part of the menstrual cycle.imension & Weight Of Thyroid Gland. 1  The normal size of the thyroid gland in adults is 4 to 4.8 cm x 1.0 to 1.8 cm x 0.8 to1.6 cm.
The TSH Reference Range. As of 2017, at most laboratories in the U.S. the official reference range for the TSH test runs from approximately 0.5 to 4.5 or 5.0 (mIU/L). A patient whose TSH level is within the reference range is referred to as euthyroid, and is considered to have normal thyroid function. The reference rangeâalso sometimes called the normal rangeâis an important part of your overall thyroid diagnosis and treatment program, because the conventional endocrinology world considers it to be key to diagnosis and management of thyroid function.