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Doctor insights on: Can A Benign Thyroid Nodule Become Cancerous

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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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Malignant (Definition)

The term malignant can be used in several medical contexts, but is primarily used to describe cancers. More dangerous and disorderly than the benign growth of cells, malignant cells have developed genetic changes that can allow it to invade other tissues in an unregulated way. These tumors can later spread, or metastasize, to other parts of the body and ...Read more

Dr. Raymundo Romero
Board Certified, Medical Oncology
16 years in practice
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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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Dr. Raymundo Romero
Board Certified, Medical Oncology
16 years in practice
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Treating a Lung Nodule (Checklist)

Recognize that most nodules are benign scars, not malignant
Once
Remember to obtain any previous images possibly showing nodule
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Carefully research best options, follow vs. biopsy
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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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Complex thyroid nodule biopsied said to be benign... Now regardless of the diagnosis... Could it be possible that nodule is cancerous and biopsy missed it?

Complex thyroid nodule biopsied said to be benign... Now regardless of the diagnosis... Could it be possible that nodule is cancerous and biopsy missed it?

Possibly: Thyroid nodules are notoriously difficult to interpret biopsy results, because the nodules themselves are often "complex" meaning non-uniform, and thus one portion may look benign while the other malignant, . ...Read more

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Treating a Lung Nodule (Checklist)

See Doctor for Evaluation
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Evaluate Smoking Status
daily
Ensure Proper Follow Up of Nodule
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Board Certified, Medical Oncology
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Is it true that the majority of thyroid nodules are hypoechoic and although thyroid cancer is usually hypoechoic, most hypoechoic nodules are benign?

Size?: It is correct that in younger people thyroid nodules are benign, however, us is not very good at ruling out malignancy. Close follow up of the nodule is needed with us every 6 months. If the nodule is larger than 1 cm, fine needle aspiration biopsy needs to be considered. ...Read more

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Male with dominant homogenous solid thyroid nodule in midpoint that measures 1.1x1.3x1.7. Does this indicate a high cancer risk? Are most benign?

Male with dominant homogenous solid thyroid nodule in midpoint that measures 1.1x1.3x1.7. Does this indicate a high cancer risk?  Are most benign?

Most are benign: Hi. Yes, most nodules with those characteristics are benign. I'll assume you're not hyperthyroid (hyper-functioning nodules are NEVER cancer). Nevertheless, the chance of cancer is high enough (about 10-15% for nodules like that) that you MUST get it biopsied (non-surgical needle biopsy with gene testing is recommended). Don't ignore it, and don't ASSUME benignity. Cheers! ...Read more

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Living with Skin Cancer (Checklist)

Get regular checks with your dermatologist
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Use SPF 30 sunblock
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Stay out of sun from 10am to 2pm
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3cm hypoechoic solid vascular thyroid nodule with a cluster of hurthle cells, fna benign, follow up ultrasound now shows microcalcifications. Cancer?

3cm hypoechoic solid vascular thyroid nodule with a cluster of hurthle cells, fna benign, follow up ultrasound now shows microcalcifications. Cancer?

Not necessarily...: The fact that FNA was reported as benign, the nodule is unlikely to be malignant. Small droplets of benign colloid often mimic "microcalcificatins" of papillary tumor, hence caution is advised. I would suggest repeating the FNA, and consider also collecting samples for gene profiling studies, such as, those manufactured by Veracyte and Asuragen (Note:I have no financial/other interest.) ...Read more

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Thyroid Gland (Definition)

Thyroid gland is also known as Thyroid. It is an endocrine gland which produces thyroxin hormone which controls the metabolism in every cell in the body.It produces 80 to 90%t4 and 10 to 20 %t3. These control rate of metabolism and affect the growth and rate of functions of many cells in the body it is ...Read more

Dr. Barry Rosen
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Cancer (Definition)

An uncontrolled cell growth leading to invasion and metastases is what cancer is defined as. It produced abnormal growth of cells which acquire destructive properties causing serious threat to host's life, unless it can be removed or destroyed by ...Read more

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Dr. Raymundo Romero
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