Doctor insights on:
Colon Tumors Benign
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 moreSee 2 more doctor answers
Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?
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
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
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
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 moreSee 1 more doctor answer
No.: By definition, a benign tumor does not metastasize (spread to other sites by invading the blood stream or lymphatic system). Extremely rare cases of 'parasitic' or implanted benign tumors (eg leiomyomas of the uterus) are recognized to occur in sites outside their normal origin, but this is thought to be a result of some form of tissue transplantation, and not true tumor ''metastasis' ...Read more
For colon cancer,Peritoneal Carcinoma's, roughly what percentage of those malignant tumors are cancerous.I read malignant tumors are 100% cancer.
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
Yes: Many benign tumors are known to convert to malignancy and are carefully watched and not subject to treatment ie giant cell tumor of bone that is radiated will convert. Benign lipomas as they grow may be found to convert to liposarcoma and Pagets of bone is known to convert to Pagets sarcoma.Thyroid adenomas also have a high rate of conversion. ...Read more
If both benign and malignant tumours are formed by abnormal cell division, what makes malignant tumours cancerous and benign tumours non-cancerous?
Power to invade: Tumors are in fact caused by the accumulation of a series of genetic mutations. If something is going to be cancer, the mutations destabilize the genome and eventually mutations give the ability of the cells to invade and spread as they do early after conception. The idea that tumors are "cells dividing too rapidly" is fundamentally wrong and confusing -- it's the loss of controls. ...Read more
Yes: The typical echogenicity of the pancreas is hyperechoic to adjacent fat. A hypoechoic mass within the pancreas can be benign or malignant. If you have a hypoechoic mass in the pancreas at age 30, you should undergo an MRI or ct of the abdomen to evaluate it further unless by ultrasound it is obviously cystic. ...Read more
Small and about 5%: Other than for congenital polyposis the majority of lesions arise in a field effect initiated by the polyoma virus. Contrary to the belief that adenomatous polyps convert to malignant polyps and then Ca this occurs in about 5 % of pts. 95% arise from premalignant cells in the viral or carcinogen field. ...Read more
What sorts of foods should a person eat or avoid following an operation to take out a colon tumor?
It can: If a tumor enlarges it can lead to an obstruction. If the obstruction persists, than a perforation can occur. Also it not necessarily the size of the tumor, it is how far it penetrates through the bowel wall. Another important reason to have a colonoscopy when needed. Hope this helps. ...Read more
If one were to experience thin stool due to a colon tumor, could the stool return to normal or would it stay thin or keep getting thinner and thinner?
Contained: No evidence of invasive carcinoma on the pathology report for colon cancer means that the cancer appears to be contained and has not spread, such as into the muscle layer of the colon and beyond. This should imply a higher likelihood for cure if one follows the recommendations of one's oncologist. ...Read more
If a liver met is ablated and there is a aortocaval node, primary colon tumor already removed . How many yrs can a person survive?
Enormously variable: no one can say with certainty how long an individual will live. Statistics are available for AVERAGES. (Consider:the average Briton has one testicle.) Usually I advise "ask your doctor," but even your doctor can't answer this. ...Read more
If somone has pencil thin stools due to colon tumor would obstruction relieve itself so that stool becomes thicker some other days?
It might: A ct scan of the abdomen and pelvis with IV and oral contrast may show a colon tumor, but not always. Ct colonography is a relatively new technique that is not performed everywhere, but it is better than standard ct scans for detecting colon cancer. Currently, colonoscopy is still the best way to evaluate the colon for cancer. ...Read more
My husband had a colon tumor removed they got it all but has stage 3 colon cancer 6 of 20 lymph nodes what does this mean?
An excellent website: I am sorry to hear your news. You obviously have been going through a lot. The nih has an excellent, patient friendly website with info about this. See: http://www.Cancer.Gov/cancertopics/pdq/treatment/colon/patient/page2 the site goes on to discuss treatment. He is most likely looking at chemotherapy. Your oncologist should be able to help with the details. Good luck to you both. ...Read moreSee 2 more doctor answers
Multiple foci of extramural vascular invasion . What does this mean exactly in colon cancer pathological report after colon tumor was removed ?
Confussed . Colon tumor . All scans clear so no metastases . Operation march . Sept scan reveals a liver met . Does this mean escaped cells?
Most likely : This depends on many factors. This is true for type of tumor and where located on or in the colon. If your doctors believe it is a metastasis then "escaped " cells is a way to explain it. It is also important to be sure it is the only visible metastasis for planning therapy. ...Read more
Not really: It is windowed to focus on the lumbar spine so you don't really appropriately visualize the colon on the lumbar spine mri. This particular study is not a good study at all to evaluate the colon. To properly evaluate the colon, ask your doctor to inform you on what study is needed to properly visualize the colon. ...Read moreSee 1 more doctor answer
Is it possible to have the symptoms of colon cancer and have a tumor that is benign or non-cancerous?
Can colon cancer is it bad if a aortocaval node contains a met ? The primary colon tumor is removed already . What is best treatment here ?
Mets are bad: Metastasis of any kind are a bad sign, because it indicates that the disease has spread. Metastatic disease may be treated with radiation or chemotherapy, but this will depend on specific patient factors. Solitary metastasis to the lungs or liver are sometimes removed surgically, but aortocaval nodes are probably too risky. ...Read more
Different types: A polyp is a cluster of cells usually on a stalk representing transforming cells that may convert to Ca. A colon tumor is a area of bowel with malignant cells forming a discrete mass that can spread. Originally thought all Ca's of colon arose from polyps but now found that there is a transforming field effect in bowel where certain sites become polyps, not all converting and other sites, Cancer ...Read more