5 doctors weighed in:

Can a high TSH that is not monitored and controlled stimulate latent cancer to grow?

5 doctors weighed in
Dr. Nihal Abdulla
Internal Medicine - Hematology & Oncology
1 doctor agrees

In brief: Two main concern

Two main concerns are if someone has prior h/o thyroid cancer which was surgically removed; in that case if TSH level goes high it theoretically can place one at higher risk for recurrence as goal of therapy after that type of surgery is to keep TSH low-normal; 2nd is if one has pituitary tumor (that is where TSH is coming from) and usually causes high thyroid levels; that should be managed;

In brief: Two main concern

Two main concerns are if someone has prior h/o thyroid cancer which was surgically removed; in that case if TSH level goes high it theoretically can place one at higher risk for recurrence as goal of therapy after that type of surgery is to keep TSH low-normal; 2nd is if one has pituitary tumor (that is where TSH is coming from) and usually causes high thyroid levels; that should be managed;
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Dr. Le Wang
Internal Medicine

In brief: Possible

Higher TSH are associated with a subsequent diagnosis of thyroid cancer in patients with thyroid nodules.
Higher TSH are also associated with advanced stages of thyroid cancers. These suggests a possible role in the development and progression of thyroid cancers.

In brief: Possible

Higher TSH are associated with a subsequent diagnosis of thyroid cancer in patients with thyroid nodules.
Higher TSH are also associated with advanced stages of thyroid cancers. These suggests a possible role in the development and progression of thyroid cancers.
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Dr. Guido Davidzon
Nuclear Medicine

In brief: Yes

If you had thyroid cancer and had surgery the goal of levothyroxine is not only to avoid hypothyroidism but also to keep the endogenous stimulation of remnant thyroid cells / cancer (TSH) suppressed.
http://www.thyca.org/pap-fol/more/tsh-suppression/

In brief: Yes

If you had thyroid cancer and had surgery the goal of levothyroxine is not only to avoid hypothyroidism but also to keep the endogenous stimulation of remnant thyroid cells / cancer (TSH) suppressed.
http://www.thyca.org/pap-fol/more/tsh-suppression/
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