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Thyroid Cancer, Nodules & Hyperthyroidism (Expert Forum)
What is normal
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 Mark Lupo, MD. Topics covered include Goiter, Graves Disease, Hyperthyroid, Parathyroid/Calcium Problems, Thyroid Cancer, Thyroid Nodules/Cysts, Thyroiditis, Thyroid & Pregnancy, Thyroid Stimulating Hormone (TSH), Thyroid Tests, and Thyroid Surgery.
What is normal
by Thyguy, Mar 10, 2007 12:00AM
Had RAI in 1997 and started on .05 synthroid. Stayed on that dose until 3mo. ago when the VA ran a lab indicating my TSH at .12 with a range of .34-5.6 Free T4 was l.13 with a range of .58-1.64. My VA Dr.(not an endo) took me off meds. Just went for re-lab and they only were doing TSH. My TSH has always been suppressed since RAI so we went by T4. Can my condition be monitored by just TSH? Can the Thyroid return from the dead and be normal or what am I in for. After 7 years of stability I dread going through all that stuff again. Finally can this effect BP as I first had mild hypertension now have systolic hypertension requiring meds.
Thank you all for the imput
Thank you all for the imput
Doctor's Answer
by Mark Lupo, M.D., Mar 13, 2007 12:00AM
, Mar 13, 2007 12:00AM
TSH is usually the single best lab, but in your case I would test TSH, FT4 & Free T3. It's possible that the hyperthyroidism is relapsing -- watch it closely -- may be that you simply don't need the synthroid. Would ask for an endo consult however.
