Question 1

i had polyp removed during colonoscopy. it was not cancer. if it was left alone what would have happened? dr said repeat every 5 years. you agree?

Accepted Answer

Yes: Polyps typically are pre-cancerous growths.  Left alone may have developed colon cancer.  Repeat in 5 years generally recommended to recheck for re growth.  I agree.

Question 2

what happens if all the polyps in your stomach are removed then how can you get colon cancer?

Accepted Answer

Confused: Stomach is at end of esophagus, then small intestine, then colon, then rectum.
One can have polyps in any of these.
One can have cancer in any of these. They can happen at same time or separately.

Question 3

what % of unilateral polyps are cancerous?

Accepted Answer

Where?: Please specify the site. If you are talking about nasal polyps, unilateral polyps should be removed and examinaed by a pathologist. Allergic polyps are usally bilateral. Unilateral nasal polyp in a 70 year old needs to addressed aggresively.

Question 4

what percentage of rectal polyps become cancerous?

Accepted Answer

About 10%: It  was felt that malignancies of bowel i.e. rectal polyps accumulate mutations to go  from adenomatous polyps to malignant polyps to cancer it now appears that about 10% of such lesions will progress to cancer.  In bowel adjacent to  malignancy, most normal appearing mucosal cells  produce cancer protein having undergone genotypic changes.  These cells eventually lead to new Ca's. in bowel.

Question 5

what does it mean for a polyp to be "pre-cancerous"?

Accepted Answer

Confusing: Most colon cancers are adenocarcinomas. Thus if your polyp has adenomatous compeonents found microscopically by the pathologist, then it would be considered a precancerous polyp or if iot showed microscopic evidence of dysplasia it too would be considered precancerous.

Question 6

will dr usually tell if polyps are cancerous by viewing?

Accepted Answer

No: The removed polyp needs to be examined by a pathologist, under a microscople to determine its nature.

Question 7

is it possible that dr usually tell if polyps are cancerous by viewing?

Accepted Answer

No: To diagnose cancer in a polyp or any other tissue it is necessary to submit the tissue to a pathologist for microscopic examination. It is possible to diagnose some cancers by looking at the tissue, but it is not recommended to rely on gross examination.

Question 8

is polyp in the kidney cancerous?

Accepted Answer

Not necessarily: However, a polyp in the renal pelvis may be cancer, and this can be evaluated under the microscope by a pathologist following biopsy to determine the nature of the polyp.

Question 9

whats the percentage of urethral polyps being cancerous?

Accepted Answer

POLYPS: By definition they are benign or at worst pre-cancer. A polypoid form of urothelial cell cancer would be what it is called if it were not benign. There are a few rare other types of cancers of the urethra.

Question 10

do benign gallbladder polyps grow or just cancerous ones?

Accepted Answer

Yes, both.: Gallbladder "polyps" may be true polypoid lesions or cholesterolosis, related to fats in the gallbladder wall.  Both lesions can "grow".  If significant polypoid disease is found on ultrasound, most surgeons recommend cholecystectomy, as there is a small, but real, chance of true polyps becoming adenocarcinoma over time.

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Doctor answers about:

What happens if polyps are cancerous

A member asked:

I had polyp removed during colonoscopy. it was not cancer. if it was left alone what would have happened? dr said repeat every 5 years. you agree?

A member asked:

What happens if all the polyps in your stomach are removed then how can you get colon cancer?

A member asked:

What % of unilateral polyps are cancerous?

A member asked:

What percentage of rectal polyps become cancerous?

A member asked:

What does it mean for a polyp to be "pre-cancerous"?

A member asked:

Will dr usually tell if polyps are cancerous by viewing?

A member asked:

Is it possible that dr usually tell if polyps are cancerous by viewing?

A member asked:

Is polyp in the kidney cancerous?

A member asked:

Whats the percentage of urethral polyps being cancerous?

A member asked:

Do benign gallbladder polyps grow or just cancerous ones?

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