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Doctor insights on: Colonic Polyps Benign Tumors

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Are colon polyps cancerous?

Are colon polyps cancerous?

Some: There are different types of colon polyps. Some will not turn into cancer. But many (adenomatous polyps in particular) have a high likelihood of turning into cancer if not removed. We think that most colon cancers start as polyps. That is why we recommend colonoscopy at age 50. If you have a precancerous polyp, it can be removed before you get cancer. ...Read more

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Dr. Sheila Smith
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Benign Tumor (Definition)

A tumor by any other name is a growth. It can be either benign or malignant, differentiated based upon the potential to spread (a malignant tumor is, by definition, a cancer). The best way to determine this is by a tissue biopsy, but we can make better predictions based on the organ of origin, physical ...Read more


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Are small sessile colon polyps usually cancerous?

Are small sessile colon polyps usually cancerous?

No ...: ... On the contrary. The smaller the polyp, the less likely it is to be "cancerous". Sessile just means flat (harder to find) versus pedunculated (mushroom-shaped). The precancerous type of polyps are adenomatous and serrated polyps (documented on pathology). Hyperplastic polyps in general are almost always benign and never turn into cancer. ...Read more

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Are pancreatic polyps cancerous?

Unclear question: Pancreas does not generally have polyps. While theoretically polyp may develop in the ducts, these are not generally know to occur. Colonic polyps are pre-cancerous. ...Read more

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Are carcinoid tumors benign?

Are carcinoid tumors benign?

No: Carcinoid tumors are not benign. They are typically (but not always) slower growing than other tumors. They can spread if not found and therefore should be removed. ...Read more

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Uterine benign miomas can turn malign?

Uterine benign miomas can turn malign?

Uterine leiomyomas: Uterine myomas are most often benign. In very rare incidences in a setting of very rapidly growing myomas the bar of suspicion for malignancy must be raised. ...Read more

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Are colonic polyps genetic?

Are colonic polyps genetic?

Some: Most people with colon cancer do not have a strong family history, but some do. Anyone with a family history of colon cancer and/or colonic polyps should have a screening colonoscopy well before the age recommended for people with no family history (50). See your physician. Rarely families have mutations that cause hundreds of colonic polyps - these few patients may need removal of their colon. ...Read more

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Are pelvic tumors, like malignant ovarian tumors, genetic?

Are pelvic tumors, like malignant ovarian tumors, genetic?

To some extent: Almost all tumors have a genetic component in that heredity plays a role in the susceptibility to cancers. In the case of ovarian cancer there are a few well characterized genetic markers that portend higher incidence, e.g., brca 1 and brca 2. ...Read more

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Could benign tumors become malignant?

Could benign tumors become malignant?

Depends on situation: There is a middle ground between the common idea of benign (never harmful) and malignant (always harmful). Conditions like tuberous sclerosis can generate tumors that become destructive because of there location, like in the brain or heart. They don't have to travel there like some cancers, they can just pop up anywhere ; interfere with normal tissue. ...Read more

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Do benign tumors turn into malignant tumors?

Do benign tumors turn into malignant tumors?

A few do: Almost all colon cancer arise in colonic polyps which start out as benign tumors. However, vast majority of benign tumor do not become malignant, e.g., moles and uterine leiomyomas. ...Read more

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Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?

Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?

Complicated question: Carcinoids are carcinomas, usually more slow growing than adenocarcinomas. For information in this topic you may consult this link: http://www.webmd.com/cancer/carcinoid-tumors#1 ...Read more

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Do benign tumors arise by transformation?

Do benign tumors arise by transformation?

Yes: All tumors arise from normal pre existing cells that have undergone some form of transformation. Several oncogenes are turned on to present the benign as well as malignant lesion with immortality. In the case of the malignant tumor additional changes allow for matrix metalloproteinase to be produced to dissolve walls of blood vessels for metastasis and convert e-cadherin to small e cad. ...Read more

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Are colon polyps dangerous?

Are colon polyps dangerous?

Eh: Dangerous is a strong term Certain colon polyps are considered precursors to cancer. That is, if not removed, they have potential to become cancer. ...Read more

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Are large, flat colon polyps cancerous more often that other polyps?

Are large, flat colon polyps cancerous more often that other polyps?

Yes: Truly either pedunculated ( i.E with stalk) or sessile (flat) can harbor a malignant or pre-malignant lesion. The flat ones are a little more worrisome, and size of lesion also plays a role. Biopsy is the key to diagnosis - if the lesion is large and flat, there is always the possibility that malignancy may exist elsewhere within the lesion and surgery or close follow up may be needed. ...Read more

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Are most brain tumors benign or malignant?

Are most brain tumors benign or malignant?

Depends: Primary brain tumors tend to be more aggressive when they are found. This is most likely due to the fact that they may not cause symptoms when they first start. The most common "brain tumor" is actually metastatic disease from tumors outside the brain. ...Read more

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Is ectopic hamartomatous thymoma a benign or malignant tumor?

Is ectopic hamartomatous thymoma a benign or malignant tumor?

Depends: A thymoma is a malignant tumor of the thymus, and the seriousness depends on details in the pathology report. An ectopic thymus and a hamartoma are both benign, but if the report says "thymoma" then it is probably malignant although not necessarily very serious if completely removed. Discuss with your surgeon! ...Read more

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Will colonic polyps turn into colon cancer?

Will colonic polyps turn into colon cancer?

It can happen: At the time of detection, most polyps are not cancerous. Hoever, over time polyps can develop pre-cancer changes in the cells which then become early cancer changes and finally fully developed cancer. It is best to strictly follow your gastroenterologists screenig schedules if you already have had polyps and get regular screeinig colonoscopies done. ...Read more

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Are astrocytomas benign or malignant?

Are astrocytomas benign or malignant?

Astrocytomas: Astrocytomas are most common malignant brain tumors. ...Read more

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Do benign tumors always turn into malignant tumors?

Do benign tumors always turn into malignant tumors?

Terminology issues: The term malignant is used to describe a tumor known to spread to & damage tissues & organs to the point death is possible. Benign tumors are less worrisome.They tend not to spread, but someone may have many individual ones.Their location & growth may produce problems for the patient.Transformation to a malignancy in unheard of for some benign lesions and rare for others. ...Read more

Dr. Edward Kuhnley
13 doctors shared insights

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more


Polyp (Definition)

A polyp may occur anyplace on the body, but is most commonly seen in the colon when a colonscopy exam is done. It is a bump or protrusion from the lining of the GI tract and colon, which can can be benign or turn ...Read more