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Doctor insights on: Adenoma Carcinoid Polyps

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Is an adenoma and carcinoid polyps the same thing?

Is an adenoma and carcinoid polyps the same thing?

No: They are not the same......Adenomas are benign tumors in the colon and carcinoid tumors are not benign.....They could be low grade cancers but usually are not benign; they are cancerous, sometimes aggressive too. ...Read more

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Dr. Murthy Andavolu
130 doctors shared insights

Carcinoid (Definition)

Carcinoid refers to neuroendocrine tumors originating in gastrointestinal (GI) tract, lungs and appendix. They are usually indolent developing over many years. Aggressive, fast-growing forms such SCLC known as Oat Cell Ca of lung represents neuroendocrine carcinoma that exhibits rapid growth and early spread to distant sites. They are sensitive ...Read more


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A 5mm t1 nodule was removed from my terminal ileum & other colonic polyps were found. Dr said either lymphoid follicles or carcinoid? Please explain.

A 5mm t1 nodule was removed from my terminal ileum & other colonic polyps were found.  Dr said either lymphoid follicles or carcinoid? Please explain.

Entirely different: You have to wait for final report , don't worry for a pathologist it is as easy as distinguishing an apple from orange. Lymphoid follicles are normal lymph tissue common at that site. Rare carcinoid tumors from neuroendocrine cells (nerve cell ) produce systemic symptoms due to histamine & serotonin secretion , if it is you are lucky found it very early stage , you will be fine follow with doctor. ...Read more

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Is carcinoid syndrome hereditary? My died at age 42 & i've already got bad stomach problems & colon polyps.

Is carcinoid syndrome hereditary? My died at age 42 & i've already got bad stomach problems & colon polyps.

It can be hereditary: 4% of carcinoid tumors are hereditary. The most common inherited disorder involving carcinoids is men syndrome type i. Other neuroendocrine tumors are usually present in this syndrome, though. Familial carcinoids are more erratic in heritability. There is no formal test for suspected familial carcinoid. Symptoms of carcinoid syndrome include chronic flushing and diarrhea. ...Read more

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Dad had tubular adenoma polyp removed at age 40. Heridatry? Symptoms of this?

Premalignant: Tubular adenomas can give rise to cancer if left in place, and having had one is a marker that he may get more. This does tend to run in the family. You'd do well to get occasional colonoscopies as health maintenance for yoruself. He should also continue to be checked. ...Read more

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Had a tubulovillous adenoma w/hgd removed via right-hemicoloectomy. Why does a repeat colonoscopy have to be done in a year if polyps grow slow?

Had a tubulovillous adenoma w/hgd removed via right-hemicoloectomy.  Why does a repeat colonoscopy have to be done  in a year if polyps grow slow?

One year is correct: Colon cancer develops from a polyp with high grade dysplasia. A history of dysplastic polyps puts you at high risk of forming new polyps and the pace of growth is uncertain, especially in a young age group. There are clear guidelines put out by the american cancer society on the suggested followup for colon polyps. If your next colonscopy shows no polyps, they will extend the time interval. ...Read more

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Colonoscopy 1 yr ago found 5 polyps; two Tubular adenoma under 2cm, two 2-5cm, one Tubulovillous 10-20CM. successfully removed. When should I go back?

Colonoscopy 1 yr ago found 5 polyps; two Tubular adenoma under 2cm, two 2-5cm, one Tubulovillous 10-20CM. successfully removed. When should I go back?

Five years: Recommendations are that if you have adenomas five to ten years. Normal ten years. two small adenomas should not change this UNLESS you have risk factors such as a positive family history. In your case I think it reasonable and consistent with the guideliines to repeat in five years. ...Read more

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Is an advanced adenomas villious semi sessile 14 mm polyp in rectum another way of saying its cancer in situ?

Is an advanced adenomas villious semi sessile 14 mm polyp in rectum another way of saying its cancer in situ?

No: Villous adenomas are benign. They are considered pre-malignant, but not cancer. In-situ is the earliest stage of cancer, Stage 0. The two are definitely different. ...Read more

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I am highly susceptible to colon polyps & at 30 had a hgd adenoma removed, is a high or low fibre diet best for me to reduce frequency of the polyps?

I am highly susceptible to colon polyps & at 30 had a hgd adenoma removed, is a high or low fibre diet best for me to reduce frequency of the polyps?

More complex...: Than that. In general, high fiber diet (not simply bran or fiber supplements) may be helpful ( conflicting data). Adequate calcium, especially from dairy (low fat/no fat) may be helpful. Low sat fat (low meat, especially processed/sausage type) may be helpful. Aspirin or nsaids may be helpful. Need to discuss your particulars, including fam hx, polyp hx, w/ md. Follow surveillance scopes. ...Read more

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My pathology reports sated I have a .4 CM rectal polyp, tubular adenoma, with no high-grade dysplasia or malignancy. When should a follow up be done?

My pathology reports sated I have a  .4 CM rectal polyp, tubular adenoma, with no high-grade dysplasia or malignancy.  When should a follow up be done?

How was your prep?: "guidelines" are one thing but other considerations come into play when planning your next colonoscopy: 1) what was the method of polyp removal (could the technique used have left polyp material behind?); 2) what was the quality of your prep (if poor, your doc will want you back sooner to complete the exam so other polyps aren't missed); 3) risk of a polyposis syndrome brings you back sooner too. ...Read more

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Is a tubular adenoma colon polyp associated with lynch syndrome?

Not really: lynch syndrome is an inherited disease that will cause polyps that will led to camper Tubular adenoidal is a condition cam happen with or without lynch syndrome ...Read more

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I have just had a colonoscopy. they removed 2 polyp. 1 is normal. 2nd is Colon-sigmoid is Tubulovillous adenoma demonstrating mainly low grade dysplas?

I have just had a colonoscopy. they removed 2 polyp. 1 is normal. 2nd is Colon-sigmoid is Tubulovillous adenoma demonstrating mainly low grade dysplas?

Sounds: like the colonoscopy was a "success" it resulted in a possibly "PRE-malignancy!! Follow the GI expert's advice as to your next follow-up scope!\ Congrats on having that test!!!! Hope this is helpful Dr Z ...Read more

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What can cause Diverticulitis, liver hepatic adenoma, rectal polyps and ovarian hemmoragic cysts.

What can cause Diverticulitis, liver hepatic adenoma, rectal polyps and ovarian hemmoragic cysts.

Separate problems: There is no particular cause for any of these, and certainly no single thing that causes them all. These are separate problems, which I assume were detected by some sort of abdominal imaging, probably a CT scan or MRI. Speak with the doctor who ordered the test and take it from there. ...Read more

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Dad hadTubular adenoma polyp in bowel . One doctor on here says heridatry other doctor says it's not so which is it heridatry or not?

Not so much: Tubular adenoma are the most common type found on screening colonoscopies. They can be seen in familial cancer syndromes, but usually they are just sporadic (random) and don't require additional screening in family members. Regardless, having blood in the stool is a risk factor and should be assessed. ...Read more

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I am 28.Had a colonoscopy and the doctor removed an 8mm polyp.The doctor said it was NOT an adenoma, but it was a sessile polyp. Is this pre cancer?

I am 28.Had a colonoscopy and the doctor removed an 8mm polyp.The doctor said it was NOT an adenoma, but it was a sessile polyp. Is this pre cancer?

Yes: Current concept even though all adenomas are benign if left alone may transform to malignancy over the time , so they are pre-cancerous , must be removed and need colonoscopy surveillance more frequently than normal population , just don't worry see your doctor on regular basis and under go procedure if advised. ...Read more

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39y/o, had 2 polpys removed (sigmond & descending, villous adenoma w/high grade dysplasia). Will i get colon cancer even though 2 polyps were removed?

39y/o, had 2 polpys removed (sigmond & descending, villous adenoma w/high grade dysplasia). Will i get colon cancer even though 2 polyps were removed?

Not sure if: Family history or leeding led to your colonoscopy, but it showed its value. You are not predestined to get invasive cancer, but the findings warrant follow up to snip dangerous polyps before they invade, and gain access to nodes and blood steam. Your colonoscopist can tell you schedule for surveillance. ...Read more

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Can a person develope obstructive colon cancer two years after scope that showed 1 hyper and 1 adenoma polyp and diverticulosis?

Yes: It is possible, although rare. The most common explanation would have been a missed colon polyp during the past procedure, due to either poor colon prep (stool in colon) or incomplete procedure due to technical reasons. Aggressive cancers (with genetic mutations - usually hereditary) can lead to obstructive cancer in a year. ...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


Dr. Murthy Andavolu
1,351 doctors shared insights

Adenoma (Definition)

Adenoma = a ...Read more