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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does The Following Thyroid Function Test Report Suggest?

Hi I am 44 years old male. I got my blood sample test results for Thyroid Functions & Antibodies as detailed below; FT4 - THYROXINE, FREE 18.15 pmol/I FT3 - TRIODOTHYRONINE, FREE 6.13 pmol/l TSH - THYROID STIMULATING HORMONE 4.82 ulU/ml ANTI THYROGLOBULIN ANTIBODY [ATG] - 15.77 ANTI MICROSOMAL ANTIBODY [AMA] - 278 THE ABOVE VALUE FOR ANTI MICROSOMAL ANTIBODY [AMA] IS VERY HIGH THE NORMAL RANGE IS BELOW 34. PLEASE EXPLAIN
Mon, 25 Feb 2019
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Internal Medicine Specialist,  's  Response
Hi,

Anti-thyroglobulin antibody (Reference range anti-microsomal antibody (Reference range Thyroxine, free (fT4) (Reference range 9.0–16 pmol/L) 18.15-within normal limit.

Thyroid-stimulating hormone (Reference range 0.34–4.25 μIU/mL) 4.82-marginally high.

You have subclinical hypothyroidism due to autoimmune hypothyroidism. Need follow-up Thyroid function tests, as it is important to confirm that any elevation of TSH is sustained over a 3-month period before treatment is given.

If TSH crosses 10 mIU/L,you will need thyroxine replacement therapy-starting with a low dose of levothyroxine (25–50 μg/d) with the goal of normalizing TSH. If Levothyroxine is not given, thyroid function should be evaluated annually.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Tushar Kanti Biswas,
Internal Medicine Specialist
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What Does The Following Thyroid Function Test Report Suggest?

Hi, Anti-thyroglobulin antibody (Reference range anti-microsomal antibody (Reference range Thyroxine, free (fT4) (Reference range 9.0–16 pmol/L) 18.15-within normal limit. Thyroid-stimulating hormone (Reference range 0.34–4.25 μIU/mL) 4.82-marginally high. You have subclinical hypothyroidism due to autoimmune hypothyroidism. Need follow-up Thyroid function tests, as it is important to confirm that any elevation of TSH is sustained over a 3-month period before treatment is given. If TSH crosses 10 mIU/L,you will need thyroxine replacement therapy-starting with a low dose of levothyroxine (25–50 μg/d) with the goal of normalizing TSH. If Levothyroxine is not given, thyroid function should be evaluated annually. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Tushar Kanti Biswas, Internal Medicine Specialist