Doctor insights on:
What Is A Circumscribed Thyroid Nodule Exactly
Fewer echoes on US: Hypoechoic describes the appearance of a nodule on ultrasound (us). It refers to a nodule that reflects back fewer sound waves compared to the normal thyroid tissue around it. While most thyroid cancers are hypoechoic, most hypoechoic nodules are not cancers. But a hypoechoic nodule may have a slightly higher risk of being a cancer than other nodules. ...Read moreSee 1 more doctor answer
In certain cases: Many thyroid nodules need to be surgically removed, while others will never require surgery. Each case is individualized and there are many gray areas. It is really difficult to give a meaningful response to that question in the absence of a history and physical examination. ...Read moreSee 2 more doctor answers
Depends on problem: 3 major categories of potential health issues caused by thyroid nodules: a) large size affecting swallowing, breathing, voice ; b) over active production of thyroid hormone (hyperthyroid) ; and c) ~5% of nodules are cancer. Methimazole and ptu (propylthiouracil) are pills that block thyroid hormone production, treating b) above. Radioactive i-131 can shrink/destroy nodule, treating a) and b). Need surgery for c). ...Read moreSee 2 more doctor answers
Complicated question: Most nodules are initially treated with a biopsy. Additional therapy, if any, will depend on the results of that biopsy and any other symptoms or signs associated with that nodule. In truth, the treatment for any thyroid nodule is very individualized and impossible to generalize further. ...Read moreSee 2 more doctor answers
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
Depends on the cause: If a nodule is due to hashimoto's thyroiditis (inflammation caused by autoimmunity, where one's own immune system attacks one's proteins and tissues), then taking thyroid hormone pills can shrink it. If it's a tumor that's over-producing thyroid hormone, radioactive iodine can kill it, and make it smaller). Fluid-filled cysts can be drained with a needle, but may grow back. Cancer needs surgery. ...Read moreSee 2 more doctor answers
Variables: Radioactive Iodine treatment for hyperthyroidism tends to have a much higher success rate than medications. Depending on the dose of radioactive iodine chosen, and the disease under treatment (Grave's vs toxic goitre, vs hot nodule etc), success rate in achieving definitive resolution of the hyperthyroidism may vary from 75-100%. A major expected side effect of radioactive iodine in hypothyroidism ...Read more
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