In the past 50 years, the incidence of bowel cancer has increased year by year as people’s diet has become more and more refined, and they have been sedentary and do not like to exercise and other bad living habits. As we all know, blood in the stool is the first symptom of colon cancer, but it is often unclear from hemorrhoids. Many people find blood in their feces when they go to the hospital for a physical examination. Could it be colon cancer? We might as well answer your questions.

Is blood in the stool on physical examination a colorectal cancer?

Actually, blood in the stool is only one of the symptoms of colon cancer. Left colon cancer can be observed. It is only occasionally bleeding but not much. With the further development of the disease, there may be mucus, pus and blood in the stool, mucus blood in the stool, or blood in the stool. But it does not mean that all blood in the stool is colon cancer, and there may be other diseases such as hemorrhoids and intestinal polyps.

Early bowel cancer may also have symptoms such as unclean stools, increased bowel movements, black stools, and even abdominal pain. If colon cancer is suspected, further examinations are required to confirm the diagnosis.

What methods can detect bowel cancer?

It is unscientific to diagnose whether you have bowel cancer only by symptoms. If you want to know whether you have bowel cancer, you need to use scientific means. Check the project.

1. Fecal occult blood test

fecal occult blood test is the first choice for the diagnosis of various diseases By means of stool changes, it is possible to judge whether there is bleeding and inflammation in the gastrointestinal tract, whether there is precancerous lesions and parasitic infection, and can judge the nature and severity of the disease.

2. Digital rectal examination

Most rectal cancers can be diagnosed by digital rectal examination It can be touched and can also check for anorectal diseases, prostate diseases, pelvic tumors and pelvic fractures.

3. Colonoscopy< /p>

So far the preferred method for colorectal cancer screening is colonoscopy, which is the gold standard for colorectal cancer diagnosis.

In addition to blood in the stool, what are the early symptoms of bowel cancer?

1. Changes in bowel habits

I had a bowel movement a day ago, but the number of bowel movements has recently increased suddenly or decrease, or alternate with constipation and diarrhea, colon cancer should be highly suspected at this time. The main symptom of left-sided colon cancer is difficulty in defecation, often accompanied by unsmooth defecation, but unable to pass stool when trying to pull it; Constipation and diarrhea may alternate.

2. Changes in stool characteristics

When a mass or polyp compresses the stool, it will affect the stool shape, making it thinner and flatter, with grooves or bloodstains in the middle of the stool.

3. Abdominal pain

abdominal pain caused by bowel cancer is paroxysmal , lasted for several minutes, felt gas passing through the pain, the pain symptoms relieved or disappeared after the fart. The pain mainly occurs in the lower abdomen on the right side, and is often accompanied by other manifestations such as constipation and hyperperistalsis.

Who are at high risk of bowel cancer?

• Age over 45 years old; long-term smoking and drinking; BMI greater than 24;
• a case of colorectal cancer in an immediate family member Has colorectal polyps;
• Has familial adenomatous polyposis and Lynch syndrome.

These are high-risk groups for bowel cancer. The above people should go to the hospital for colonoscopy every year to make a timely diagnosis.

Message from the doctor

You should always develop a good diet Habits, follow the dietary principles of low fat and high dietary fiber, eat more vegetables and fruits daily, increase the proportion of coarse grains in the staple food, and the diet should not be too refined; control the intake of red meat and processed meat, eat less high fat and high protein Food, refusal to smoke and drink.

Intestinal problems, such as intestinal polyps, chronic enteritis and chronic dysentery, and schistosomiasis, are all high risk factors for cancer. Develop the habit of drinking water often, take in more dietary fiber, and maintain smooth bowel movements. Those who have constipationTo be treated in time. A digital rectal examination and fecal occult blood should be done once a year, and a colonoscopy should be done if necessary to confirm the diagnosis.

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