Doctor insights on:
Familiar History And Colon Cancer
What are the chances of having colon cancer in a 36 year old man with no history of colon cancer in his family?
Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more
There is no history of colon cancer in my family. I'm 68 and have had a colonoscioy every 5 years since the e age of 50. Must i continue this.
Could you tell me if my family has a history of colon cancer, how early should I start getting tested?
Varies: The "family history" of colon cancer needs to be further clarified as to what type of family syndrome this is. A genetic counselor can help further define the risks and potential surveillance or treatment strategies. The increased risk may be small or may be very large. Specific genetic testing may be indicated. ...Read moreSee 2 more doctor answers
Get a colonoscopy: The most accurate diagnostic tool available to answer your question is a colonoscope. If you are at risk, have alarm signs or symptoms, or have reached an age appropriate for screening then call your gastroenterologist & book your exam. You can also identify colon cancer with a specific stool test. X-rays will identify mass lesions, but may miss flat lesions, & do not permit taking of a biopsy. ...Read moreSee 1 more doctor answer
Stool change: At age 40 the possibility of hereditary polyposis leading to colon cancer is rare if you don't have any disease as of now. Most colon malignancies are environmentally induced probably arising from the polyoma virus infecting the bowel mucosa. The other cause is related to long standing inflammatory bowel disease. You should have an initial colonoscopy to evaluate your bowel. ...Read more
No: You are at somewhat higher risk if there is a family history especially in first degree relatives. The odds are still against you having or developing colon cancer. Having said that, you should be vigilant and get regular colonoscopies. If a first degree relative had colon cancer, your initial colonoscopy should be about 10 to 15 years prior to the age at which that person was diagnosed. ...Read more
How likely is it that someone 22 years old with no immediate family history of colon cancer gets it?
Over what time span?: About 5% of men in the US will get colon cancer at some point in their life, but the vast majority of cases occur after age 50. Colon cancer is extremely rare, almost unheard of in a 22 yo, but the odds increase the older we get. However, there are many ways to prevent colon cancer such as avoiding red meat, eating more fruit & vegies, vit. D, not smoking & exercise. See http://tinyurl.com/ozhk7zu ...Read more
Not common but could: While colon cancer is not common in your age group, it is possible, even with no known family history. Only 30% of colon cancer is hereditary, and often families don't know about or are confused about their family history. If you have symptoms, such as rectal bleeding, change in bowel habits, or weight loss, you should be evaluated by your physician. He/she can decide if you need further workup. ...Read moreSee 2 more doctor answers
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