Doctor insights on:
Thyroid Nodules Cancerous Synthroid
Are thyroid nodules less likely to be cancerous when I have been taking Synthroid (thyroxine) for 20 years?
Not always: There is a slight increased risk of thyroid cancer in people with hashimoto's thyroiditis, the most common cause of hypothyroidism. If the nodule(s) have been stable for 20 years, they are unlikely to be cancerous. Any new nodules are assumed to be suspicious and should have an ultrasound and possibly a biopsy. ...Read moreSee 1 more doctor answer
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
Are thyroid nodules more or less likely to be cancerous when one has been taking Synthroid (thyroxine) for 20 years?
Depends: If autoimmune thyroiditis is the reason you are hypothyroid, then there is about a 3 fold increase in risk for developing thyroid cancer over those who don't have anti thyroid antibodies. Having said that, thyroid cancer is still relatively uncommon despite a growing incidence. ...Read moreSee 2 more doctor answers
Thyroid nodules on left and right side. Fna showed papillary cancer. Synthroid (thyroxine) 50mcg/day. Nodules dicresed since 4/2012. Okay to wait 6 mo. For surg?
I'm confused aftr readng!.Have thyroid nodules.Ws on synthroid (thyroxine).10 yrs later, diff.Dr took off syn. Ok for no treatment w/nodules dr.Rarely ultrasnds?
Evolving knowledge: In the past it is not uncommon for people with thyroid nodules to be started on levothyroxine supplementation. The logic was high dose thyroxine would keep the nodule from growing. Studies have failed to prove this and most endocrinologists gave up the practice of prescribing levothyroxine suppression for thyroid nodules. Most thyroid nodules are benign(>95%) , long history is reassuring in ur cas. ...Read more
Only occassionally: While almost all thyroid cancers are cold, so are most benign nodules. If the nodule is hot, it is extremely rare for it to be cancer. If it is cold and looks suspicious on an ultrasound performed or at least interpreted by a very experienced clinician, it should be biopsied to see if surgery is necessary. ...Read moreSee 2 more doctor answers
Thyroid nodules: No, most thyroid nodules are not cancerous. A thyroid ultrasound is very sensitive at picking up tiny and often insignificant nodules. There are some features of thyroid nodules that make them more suspicious, such as large solitary "cold" ones, and other features. The best person to evaluate is an Endocrinologist who does his/her own U/S guided biopsies. ...Read moreSee 1 more doctor answer
No: The majority of lumps in the thyroid when noted to be multiple on scan represent the condition "multinodular goiter" These are almost always benign. When a solitary lesion is present that is "cold" on isotope scan, this is suspicious for possible malignancy and should always be removed. Bx has a certain degree of error especially if a follicular lesion looking benign has invaded capsule. ...Read more
Unlikely but ask doc: Most of the the thyroid nodules are benign, cystic nodules are even more benign, but sometimes a small focus of cancer could be inside the cyst, to be sure most of the time after fine needle aspiration (fna) will be done by your doctor send for biopsy ( cytology ) to be sure it is benign.. ...Read moreSee 2 more doctor answers
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