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Doctor insights on: Cold Thyroid Nodules Cancerous

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Are cold thyroid nodules cancerous?

Are cold thyroid nodules cancerous?

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 more

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Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

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


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Can medication shrink cancerous thyroid nodules?

Can medication shrink cancerous thyroid nodules?

Yes: Some medications can do that but surgery is typically recommended first to take them out. ...Read more

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Are all thyroid nodules cancerous? Can you share some sources?

Are all thyroid nodules cancerous? Can you share some sources?

No: Not all thyroid nodules are cancerous. Depending on the evaluation which includes lab testing and radiologic tests, thyroid nodules can be determined fairly accurately as to whether they are cancerous or not cancerous. However, it is possible that surgery might be required in order to fully assess the nature of a thyroid nodule. Please see your doctor for the proper evaluation. ...Read more

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Are all types of thyroid nodules/lumps cancerous?

Are all types of thyroid nodules/lumps cancerous?

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 more

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Are all types of thyroid nodules / lumps cancerous?

Are all types of thyroid nodules / lumps cancerous?

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

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Thyroid nodules and cancer. What % of nodules are cancer?

Thyroid nodules and cancer. What % of nodules are cancer?

Varies: The likelihood of a thyroid nodule being cancer is about 10-20%. The incidence is higher with prior history of radiation (20-40%) and in patients with multiple endocrine neoplasia. ...Read more

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Do thyroid nodules grow into cancer?

Do thyroid nodules grow into cancer?

Sometimes: The diagnosis of thyroid cancer is generally made by biopsying a thyroid nodule, but most nodules are not cancerous and many do not need to be biopsied. The best thing to do is to be examined by somebody who is very experienced in this area. ...Read more

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Can benign thyroid nodule turn cancerous?

Can benign thyroid nodule turn cancerous?

No: Thyroid nodules need to be fully evaluated, with ultrasound and bloodwork. Usually an endocrinologist is involved. A biopsy or fine needle aspiration is sometimes done. It is unlikely that a proven benign thyroid nodule will become cancerous. ...Read more

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Is my thyroid nodule "fast growing" and cancerous?

Is my thyroid nodule "fast growing" and cancerous?

Could be: Rapid growth of known thyroid nodule could be malignant, or bleed into the nodule, see your doctor to find the cause ( and to treat). ...Read more

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Nodule (Definition)

Any growth or deposit in the body or on its surface may be casually termed a nodule until its character is determined by the familiarity of the physician with it or by the results of a biopsy if it is not so obvious. The term is casual ...Read more


Dr. Scott Keith
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more