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Thyroid Cancer, Nodules & Hyperthyroidism (Expert Forum)
Analysis of lab results
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.
Analysis of lab results
by jeff605, Dec 15, 2007 09:56AM
48 Y/O Male caucasion for routine H and P and labs. Asymptomatic.
Oct. 2, 2007 TSH .003 all other labs normal
Oct. 12, 2007 repeat TSH .010 T4 Free 0.81 (low normal) T3 Free 3.1 (normal).
You suggested checking out pituitary, so had the following labs:
Oct. 23 Prolactin 9.9 range 3.7-17.9
Testosterone 56 (47-244 range) so low normal
Dec. 12 LH 2.74 no normal values given
FSH 3.94 normal 1.6-9.7
Testosterone 46 (47-244 range)
TSH 1.53
So my TSH is back to normal, can we r/o thyroid problems? (probable subclinical hyperthyroidism)
Do Prolactin, LH (if normal) and FSH r/o pituitary problems?
What is the significance of the low testosterone and what should I do? Any other thoughts? Do I need treatment if it stays at this number and should I recheck and how long should I wait to recheck.
Thank you
Oct. 2, 2007 TSH .003 all other labs normal
Oct. 12, 2007 repeat TSH .010 T4 Free 0.81 (low normal) T3 Free 3.1 (normal).
You suggested checking out pituitary, so had the following labs:
Oct. 23 Prolactin 9.9 range 3.7-17.9
Testosterone 56 (47-244 range) so low normal
Dec. 12 LH 2.74 no normal values given
FSH 3.94 normal 1.6-9.7
Testosterone 46 (47-244 range)
TSH 1.53
So my TSH is back to normal, can we r/o thyroid problems? (probable subclinical hyperthyroidism)
Do Prolactin, LH (if normal) and FSH r/o pituitary problems?
What is the significance of the low testosterone and what should I do? Any other thoughts? Do I need treatment if it stays at this number and should I recheck and how long should I wait to recheck.
Thank you
Doctor's Answer
by Mark Lupo, M.D., Dec 17, 2007 05:54PM
, Dec 17, 2007 05:54PM
The thyroid looks to have recovered. With normal prolactin likely not pituitary. The lowish testosterone is of uncertain signficance - have seen this in patients who are a little overweight, and weight loss improves it.
Should I ignore, repeat or treat the testosterone?
Is LH 2.4 normal?
Jeff605