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    Thyroid function: thyroxine ( T4 ), three iodine glands of primary amino acid ( T3 ), free thyroxine ( FT4 ), three free iodine glands of primary amino acid ( FT3 ), 杭州甲状腺哪家医院好点 thyroid stimulating hormone ( TSH ). Most cases of hyperthyroidism T3↑T4↑FT3↑FT4↑TSH ↓, hypothyroidism. T4 T3. FT3. FT4. TSH. Thyroid autoantibodies: thyroglobulin antibody ( TG-Ab ) anti thyroid peroxidase antibody ( TPO-Ab ), meaning: thyroid disease increased, Hashimoto's disease increased significantly. TSH receptor antibody ( TRAb ) thyroglobulin ( TG ), meaning: thyroiditis elevated, elevated thyroid cancer recurrence. Thyroid scan in thyroid hyperthyroidism, hypothyroidism patients often B ultrasound test project includes those? Thyroid patients examined many projects, often with total serum T3 ( TT3 ), total serum T4 ( TT4 ), serum free T3 ( FT3 ), serum free T4 ( FT4 ), serum thyroid-stimulating hormone ( TSH ), thyrotropin releasing hormone ( TRH ), thyrotropin receptor antibody, and thyroid stimulating antibodies, such as other basal metabolism, serum cholesterol, such as easy to be disturbed or ultrasonic testing time is long and is rarely used. Determination of serum TT3, TT4 1, the significance of serum TT3, TT4 is also called the total serum T3, T4, is by serum thyroid secretion of thyroid hormone content. The determination of the diagnosis is most commonly used in examination item, the desired output is not much ( 2 ～ 3ml), on time, eating is not 杭州甲状腺三甲医院怎么样 required. TT3, TT4, TT4 or TT3 high high high or not obviously can be diagnosed with hyperthyroidism, but TT4 is not high, do not rule out the possibility of inflammation may; if TT3, TT4 low is suffering from hypothyroidism. Of course, as TT3, TT4 hormone determination of the content of total, when taking oral contraceptive hormones, about, about pregnancy will allow in vivo serum TT3, TT4 levels were increased, and the thyroid function hyperfunction or did not happen; taking the male hormone therapy, corticosteroid treatment, kidney disease syndrome, liver function failure, drug ( such as phenytoin sodium treatment, phenylbutazone ), hereditary thyroid hormone binding proteins reduce all may make the serum TT3, TT4 levels decreased, while thyroid function did not occur in decline; there are some special diseases may also influence the TT3, TT4 numerical. So, in general the serum TT3, TT4 determination in diagnosis of Hyperthyroidism Hypothyroidism is very meaningful, only in special circumstances should be integrated with other symptoms of judgment to avoid misdiagnosis analysis. 2, measurement of serum FT3, FT4 significance of thyroid generated T3, T4 delivery into the bloodstream, most with protein binding, binding parts T3, T4 no biological activity, its discretion cannot reflect thyroid functional status, only a very small portion was not correlated with protein binding, is in free state, known as FT3, FT4. FT3, FT4 with biological activity, its contents can indicate that thyroid function status. FT3, FT4 and TT3, TT4 were generally parallel relationship, its superiority lies in the affected factors are less, so it can improve the correct diagnosis rate. In 3, the significance of determination of serum TSH and serum thyroid-stimulating hormone level can reflect the secretion of pituitary thyrotropin number, supplemented by T3, T4, further accurate differential thyroid diseases. In general, the level 杭州甲状腺治疗那个医院好 of TSH was lower in patients with hyperthyroidism, hypothyroidism patients is high; but there is also a special case that is visible in hyperthyroid patients measured value high. Another: the serum TSH determination by the determination of impact sensitivity. Determination of 4, TRH significance because of thyrotropin releasing hormone ( TRH ) can promote pituitary thyroid hormone synthesis and secretion, and increased blood thyroid hormones on the secretion of TRH inhibitory regulation, it can be used in the intravenous injection of TRH was observed in patients with autoimmune TRH generated number to determine disease. Often combined with T3, T4, TSH as judged by thyroid disease reference. 5, when you need do thyroid scan in thyroid scan is a thyroid mass in a patient with hyperthyroidism examination item, most cases of diffuse thyroid enlargement, but if appear nodular or irregular enlargement and is a nodular feel, are likely to be thyroid tumor or toxic thyroid adenoma, should do thyroid scan. In 5, graves / hypothyroid patients test data of hyperthyroidism: high T3, high T4, low TSH, TG,杭州甲状腺治疗医院 TM normal, simple hyperthyroidism. T3, T4, TG, TM TSH normal, abnormal, for thyroiditis, thyroiditis Hyperthyroidism Hypothyroidism, hyperthyroidism type transfer ( T4 normal or slightly low low low ): T3, T4, TSH, TG, TM is not normal, hypothyroidism. Low T3, low T4, high TSH, TG, TM normal, mostly congenital, pituitary, after the operation, after hypothyroidism iodine radiotherapy.