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Doctor insights on: Can A Benign Thyroid Nodule Turn Cancerous

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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

Dr. Barry Rosen
4,365 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 benign thyroid nodule become malignant?

Can benign thyroid nodule become malignant?

Well...: A thyroid nodule is technically not "benign" unless it's surgically removed and the pathologist found no cancer in the specimen. A nodule that is still in your neck could still be cancerous despite a "benign" biopsy because not all of the nodule is cancerous. Sometime it's just a speck that is cancerous and was missed during the biopsy. That's why it's important to continue to follow the nodule. ...Read more

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Can cystic thyroid nodule be cancerous?

Can cystic thyroid nodule be cancerous?

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 more

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Can a malignant thyroid nodule grow quickly?

Can a malignant thyroid nodule grow quickly?

Yes: It depends on the type of thyroid cancer. Papillary, follcular, and medullary thyroid cancers are typically slow growing. Anaplastic thyroid cancer are very fast growing. Fortunately, this type of cancer is very rare. ...Read more

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Can a benign goiter be converted to a malignant tumor?

Can a benign goiter be converted to a malignant tumor?

Goiter: Goiter is enlargement of the thyroid due to inflammation usually. Nodules or growths within a thyroid gland can be inflammatory but over time turn cancerous. Close monitoring with ultrasound is strongly recommended. ...Read more

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Might a benign thyroid nodule someday become a cancer?

Might a benign thyroid nodule someday become a cancer?

Not 100%: If the nodule is still in your neck, there is no way to know that it is 100% benign. Even if you had a biopsy before and it came back benign, there is still a chance that the spot of cancer was missed during the first biopsy. This is why we don't "poo poo" it away after 1 biopsy but continue to follow the thyroid nodule to monitor for size changes. All said, the risk of cancer is very small. ...Read more

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Could it happen such that a benign thyroid nodule turn into malignant years later?

Could it happen such that a benign thyroid nodule turn into malignant years later?

Not likely: Benign thyroid nodules almost always remain that way. The more likely instance is that a malignant nodule grew within the benign nodule (more likely when the benign nodule is large). These are usually examined on ultrasound and biopsies via fine needle aspiration or core biopsy. Read more about it here: http://www.Conciergeradiologist.Com/ultrasound-guided-biopsy.Html. ...Read more

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Will a benign breast lump become malignant or cancerous?

Will a benign breast lump become malignant or cancerous?

It depends: There are many different kinds of benign tumors in the breast. Hyperplasia, dysplasia, dcis and lcis are known to progress to cancer. It is more rare with other benign lumps. ...Read more

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Could a noncancerous lung tumor turn cancerous without warning?

Could a noncancerous lung tumor turn cancerous without warning?

Only certain types: Some noncancerous lung tumors are benign and will always remain benign. Other noncancerous tumors, such as bronchoalveolar carcinomas (now called carcinoma in-situ) can become cancerous tumors. ...Read more

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Can thyroid nodes turn cancerous?

Yes: Thyroid nodules need assessment by an endocrine specialist and an otolaryngologist to come up with a plan for treatment. A biopsy may need to be done and in some cases, surgery is necessary. Some nodules are benign and some are malignant. ...Read more

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Can a benign solid lump become malignant?

Uncommonly: It is not feasible to give a yes or no answer, as different lumps behave differently. It would be prudent to see a doctor for an evaluation of the lump. ...Read more

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Can follicular adenoma thyroid nodules be serious?

Can  follicular adenoma thyroid nodules be serious?

Yes.: A follicular adenoma may be a wolf in sheep's clothing, because cells from follicular adenomas and follicular carcinomas can look the same. Other follicular adenomas may have almost no chance of being cancers, but overproduce thyroid hormone, and need treatment to prevent harmful effects of hyperthyroidism on the bones, heart and other tissues. ...Read more

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Do solid benign thyroid nodules grow quickly? And could you have normal TSH levels with a solid benign nodule on the thyroid?

Do solid benign thyroid nodules grow quickly? And could you have normal TSH levels with a solid benign nodule on the thyroid?

Nodules: Growth of thyroid nodules may represent malignancy. The only way to really know is to perform fna biopsy. Many patients with solid thyroid nodules will have normal tsh. Thyroid scans are generally no longer thought to be useful in distinguishing between benign and malignant nodules. Rai thyroid scans should be ordered in patients with suspected hyperthyroidism, not routinely for all patients. ...Read more

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Can the hypoechoic&isochoic nodules&cysts in my thyroid be cancerous?

Can the hypoechoic&isochoic nodules&cysts in my thyroid be cancerous?

Not possible to say: It is not possible to say without seeing what they look like. Sometimes it is necessary to undergo additional tests to determine whether or not they are cancerous. Best talk to your doctor for guidance ...Read more

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How often are thyroid nodule microcalcifications cancerous? Can capsule be ruptured during biopsy?

How often are thyroid nodule microcalcifications cancerous? Can capsule be ruptured during biopsy?

Common. No: Depending on the exact type of microcalcification, there is a significant rate of cancer. So nodules with microcalcs should be biopsied. There is minimal risk to doing thyroid fine needle aspiration/biopsy. No issues with rupture of the capsule, spread of cancer, etc. ...Read more

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Biopsy shows spitz nevus cells under another type of benign mole. Melenoma can't be ruled out yet. Can melanoma grow under a benign mole?

Biopsy shows spitz nevus cells under another type of benign mole. Melenoma can't be ruled out yet. Can melanoma grow under a benign mole?

Yes: In fact, this is fairly common. No one knows where spitz nevus leaves off and a melanoma capable of metastasizing begins. This is one of the hardest calls in pathology, and some say it's impossible. The burning question will be whether to do additional surgery. ...Read more

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Can a benign nodule in a thyroid turn into bad ones?

No: Thyroid cancers start as thyroid cancers and form cancerous nodules. Benign nodules start benign and do not become malignant. ...Read more

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. Eric Whitman
346 doctors shared insights

Thyroid Nodules (Definition)

Solid or fluid-filled lumps within the thyroid gland in the neck. Most are benign (non cancerous), but some may secrete excess thyroid ...Read more