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Thyroid (Expert Forum)
T3 post thyroidectomy
Answered by
Mark Lupo, M.D. - Thyroid Nodules, Thyroid Cancer, hyperthyroidism, hypothyroidism, Thyroid Ultrasound
Thyroid & Endocrine Center of Florida
Sarasota - FL
Questions in the Thyroid forum are answered by Dr. Mark Lupo. Topics covered include goiter, graves disease, Hashimoto's thyroiditis, hyperthyroid, hypothyroid, thyroid cancers, thyroiditis, and thyroid stimulating hormone (TSH).
T3 post thyroidectomy
by mladousa, Jul 17, 2007 12:00AM
I am 33 years old. I had a thyroidectomy in 1999 for Grave's Disease. I have had 2 healthy children since then. I had been seeing an endocrinologist at a large Chicago area hospital and he consistently had me drawn for a full thyroid panel. He stated I was a "weird read" and he always had the full panel to watch it. I moved and switched to a semi-retired endocrinologist who refused to have a full panel drawn and consistently told me that he only needed to see TSH. After about one year of that I insisted on having a full panel and found that, while TSH and T4 were okay, my T3 was as high as 6.29. I had never had a T3 that high prior. He again told me that it didn't matter. A retest, that I insisted upon, show T3 above 5 again. I have been on Synthroid the whole time). About 5 months after that second test, I had a molar pregnancy and am now undergoing chemo for choriocarcinoma. This issue with the T3 is really troubling me. Advice?
Doctor's Answer
by Mark Lupo, M.D., Jul 19, 2007 12:00AM
, Jul 19, 2007 12:00AM
It may be a lab measurement problem -- is it measured as free T3? If that has already been done, then try a different lab. With the normal T4 and TSH, this is not likely a significant problem. The molar pregnancy can cause hyperthyroidism but that would result in low TSH and high T4 as well -- so it seems this may be unrelated.
