2020年10月25日星期日

hemorrhoids or cancer,Rectal cancer prevention

    How white-collar workers prevent rectal cancer

    According to anorectal experts, although the etiology of rectal cancer is not fully understood, it is believed that dietary factors, genetic factors, polyps, and chronic inflammatory stimulation are all closely related to the occurrence of rectal cancer. Since rectal cancer is closely related to diet and exercise, we will have a revolution in these two areas to block the enemy's offensive and turn danger into a breeze. To remind white-collar workers: rectal cancer is a cunning enemy, it is not easy to be found. White-collar workers who are busy at work find blood in the stool during their busy schedule, which is often mistaken for hemorrhoids. Most people tend to think about it here. It is hard to think that it might be rectal cancer or stomach bleeding.

    The first symptom of rectal cancer is blood in the stool. Blood in the stool is a complicated clinical symptom, which originates from many diseases. If white-collar workers find blood in the stool, they should have the following common sense: the blood of hemorrhoids is usually bright red, the blood of rectal cancer is generally darker than the blood of hemorrhoids; the blood of hemorrhoids is often drop by drop, and the blood volume of rectal cancer is sometimes too much; although hemorrhoids and rectal cancer The blood is always blood before the stool (and most of the stomach bleeding is the blood after the stool), but rectal cancer often confuses the blood in the stool. The above are only general cases, and special cases are often more complicated. In short, if symptoms of bloody stool are found, it is easy to seek medical treatment in time. It is best to do a digital rectal examination and barium enema to facilitate further diagnosis.

    Since the cause of rectal cancer is not completely clear, so far there is no special preventive measures. The preventive measures listed below are mainly for reducing the chance of cancer and early detection of patients and early treatment:

    1. Actively prevent and treat rectal polyps. Anal fistula, anal fissure, ulcerative colitis and chronic intestinal inflammation, have a clear diagnosis of multiple polyps, papillary polyps, and early surgical removal to reduce the chance of cancer;

    2. The diet should be diversified. Develop good eating habits, not partial or picky eaters, do not eat a high-fat and high-protein diet for a long time, and often eat fresh vegetables containing vitamins and fiber, which may play an important role in preventing cancer;

    3. Prevent constipation. Keep stool smooth;

    4. Attach great importance to regular cancer prevention surveys. Pay attention to self-examination at any time, increase vigilance, and perform diagnosis and treatment in time after discovering "warning signs" to achieve early detection and early treatment to improve the survival rate of rectal cancer.

    Experts remind, especially white-collar workers, you must not ignore the changes in your body, and do not neglect to go to the hospital for treatment because you are busy with work and have no time. This is likely to bring greater hidden dangers to your body.

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    How to prevent rectal cancer

    Since the etiology of rectal cancer is not completely clear, there is no special prevention method yet. The preventive measures listed below are mainly for reducing the chance of cancer and early detection and early treatment of patients.

    ⑴ Actively prevent and treat the stimulation of rectal polyps, anal fistulas, anal fissures, ulcerative colitis and chronic intestinal inflammation; for multiple polyps and papillary polyps, once the diagnosis is clear, they should be surgically removed early to reduce the chance of cancer.

    ⑵. The diet should be diversified, develop good eating habits, not partial eclipse, not picky eaters, do not eat high-fat, high-protein diets for a long time, and often eat fresh vegetables containing vitamins and fiber, which may play an important role in preventing cancer.

    ⑶. Prevent constipation and keep stool smooth.

    ⑷. Attach great importance to regular cancer prevention surveys, pay attention to self-examination at all times, increase vigilance, and perform diagnosis and treatment in time after discovering "warning signs" to achieve early detection and early treatment to improve the survival rate of rectal cancer.

    Proper sun exposure helps prevent rectal cancer

    Currently, rectal cancer  has jumped to second place in the cancer rankings. The occurrence of rectal cancer is mainly related to a high-fat, low-fiber diet and not exercising, and it is especially common among white-collar workers. Many white-collar workers don't care about not having a bowel movement for one or two days, and think it's not a big deal. But if it gets stuck in the intestines, it becomes more dry and hard, and it damages the intestinal wall over time, causing toxins to accumulate, cell pathology, and rectal cancer.

    Early diagnosis of rectal cancer is of great significance. If symptoms of bloody stool are found in daily life, it is easy to seek medical treatment in time. It is best to do a digital rectal examination and barium enema to facilitate further diagnosis. As long as it is detected early, the cure rate of rectal cancer is quite high. Because rectal cancer is an adenoma, early resection is usually fine!

    How to prevent rectal cancer? A study in the United States reminds us that sunlight is closely related to the incidence of rectal cancer. The southern United States has long hours of sunshine, and the incidence of rectal cancer is also low. This shows that vitamin D has a certain positive effect on the prevention of rectal cancer. White-collar workers who do not see the sun in the office building all day long and go out and take a car must have limited vitamin D in their bodies. Since there is a lack of vitamin D synthesized by sunlight, is it effective to get enough vitamin D from the diet?

    There is an opinion that vitamin D in the diet also works in the body. But there is another opinion that: no matter how vitamin D is taken in the diet, vitamin D in the sun must be involved in order to exert its due biochemical effects. Many bedridden elderly people take vitamin D orally in order to prevent osteoporosis, but the research results show that there is no ultraviolet light participation, no exercise stimulation, and vitamin D is not absorbed.

    Dietary fiber can fight cancer

    The University of Cambridge once announced a large-scale study on diet and cancer, with more than 400,000 respondents being surveyed, making it the largest diet and cancer research ever conducted. The results show that a high-fiber diet can effectively reduce the risk of fatal cancer by 40%, especially colon cancer and rectal cancer.

    In the past, studies in the French medical community have also found that 30% of cancer cases are directly related to the patient’s eating habits. The French Academy of Medical Sciences once pointed out in the "Diet and Cancer" survey report that high-fat foods and saturated fatty acid foods such as whole milk and meat are not only easy to cause a variety of cancers, especially colon cancer and rectal cancer, but also easy to cause cardiovascular disease.

    Experts believe that dietary fiber can stimulate the peristalsis of the intestines, and at the same time can shorten the time for food to pass through the intestines, reduce the chance of carcinogens in feces and intestinal mucosa, and expel stools and toxins as soon as possible.

    Reminder: Dietary fiber mainly comes from natural vegetables, fruits, grains and beans. Cruciferous vegetables in vegetables are rich in antioxidant vitamin C and carotene, which can inhibit the synthesis of carcinogenic nitrosamines. Such vegetables include broccoli, mustard, and cabbage. Yellow and green fruits and vegetables are mostly rich in flavonoids. Other foods such as onions and apple peels also contain flavonoids. Eating more can also help prevent cancer.

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    [Hidden rectal cancer behind hemorrhoids]

    Rectal cancer is easily mixed with hemorrhoids in the early stage, so how to distinguish it is very important.

    First of all, hemorrhoids often do not cause difficulty in defecation, especially thinner stools. Even if the hemorrhoids are incarcerated, it only manifests as short-term unwillingness to relieve the stool due to painful defecation; once the edema and inflammation subsides, it returns to normal immediately. However, patients with rectal cancer have difficulty defecation at an early stage, the stool becomes thin, accompanied by abdominal distension, paroxysmal abdominal pain, and sometimes bowel sounds. Symptoms generally do not relieve spontaneously, and often worsen.

    Secondly, the lumps of patients with rectal cancer will not shrink, but will only grow up gradually. They are cauliflower-like, light red, and easy to bleed. The edema of hemorrhoids is often smooth, dark red or dark purple, and it is not easy to bleed.

    In addition, late rectal cancer sometimes manifests corresponding symptoms because the tumor invades surrounding tissues. For example, invading the bladder can cause dysuria and frequent urination, invading the presacral nerve can cause severe and continuous pain, and metastasis to the liver can cause hepatomegaly and jaundice. And there are phenomena such as anemia.

    Therefore, even if patients with stool bleeding have hemorrhoids, they must be highly alert to the possibility of rectal cancer, and further examinations are necessary to rule out the possibility of cancer. We must pay attention to the application of digital rectal examination, proctoscope or sigmoidoscopy.

    People at risk of rectal cancer    Colorectal cancer refers to cancers that occur in the cecum, ascending colon, transverse colon, descending colon, sigmoid colon, and rectum. It is the most common malignant tumor and ranks third among various malignant tumors. In recent years, the incidence of colorectal cancer in China has shown a significant upward trend. In Shanghai alone, the incidence has increased by 2 to 3 times in 20 years. It is especially worth noting that the proportion of young people suffering from colorectal cancer is increasing. Although doctors believe that the increase in colorectal cancer is related to the increase in fat content in the diet, the exact cause is still unclear. At present, the medical profession knows that certain diseases are closely related to colorectal cancer, and people suffering from these diseases are called high-risk groups of colorectal cancer. Therefore, it is very beneficial to understand these diseases and vulnerable groups from the perspective of prevention and early diagnosis.

    Colorectal polyp: Polyp is a kind of neoplasm that grows from the intestinal mucosa, with different sizes, shapes, numbers and positions. There are more middle-aged and elderly patients over the age of 40. Polyps also increase with age. Colonoscopy can be used to diagnose the disease. The sources of polyps are mainly divided into two categories: adenomatous and hyperplastic (inflammatory). It is known that adenomatous polyps, especially multiple adenomatous polyps with a diameter greater than 1 cm, have a greater risk of becoming cancerous. Precancerous lesions called colorectal cancer must be removed; even if the adenomatous polyps have been cured Patients should also be reviewed regularly to see if they relapse.

    Ulcerative colitis: It is not colitis in general, but colitis with repeated episodes of pus and blood in the stool as the main symptom, and colonoscopy shows "aphthous" ulcers. Ulcerative colitis is 5 to 10 times more likely to become cancerous than normal people, especially those who have the disease when they are young, and the disease has been active, with a wide range of disease, and the course of the disease for more than 5 years, the risk of cancer is greater. It is worth noting that the number of patients with ulcerative colitis in China has increased significantly in recent years, and the number of cancer patients caused by this has also increased.

    Schistosomiasis japonica: The disease is endemic in areas south of the Yangtze River in southern China. The eggs of schistosomiasis exist in the large intestine mucosa for a long time and stimulate the intestinal mucosa to cause cancer. The detection rate of colorectal cancer in areas hardest hit by schistosomiasis is 12.3 times higher than that in areas without the disease.

    Those who have received radiotherapy in the pelvis: Patients with uterine and ovarian cancer often receive radiotherapy, and the incidence of rectal cancer is 4 times higher than that of ordinary people, especially those with higher doses of radiotherapy after 10 years of radiotherapy.

    People who have had colorectal cancer before: About 2%-11% of colorectal cancer patients have a second primary colorectal cancer focus (not recurrence) after the first cancer focus has been treated. This is called metachronous. Therefore, patients should not sit back and relax because they have already been treated, but should be reviewed regularly. People who have received ovarian cancer, breast cancer surgery, or performed ureterosigmoid colon anastomosis in the past are also high-risk groups of colorectal cancer.

    Family members of patients with colorectal cancer: The incidence of colorectal cancer in people with a family history of colorectal cancer is three times higher than that of those without family history. In addition to genetic factors, it may be related to the same eating habits.

    Others: patients after cholecystectomy, patients after small bowel anastomosis, asbestos processing industry and textile industry workers are also high-risk groups.

    Dietary principles for patients with rectal cancer

    The diet of patients with bowel cancer should be diversified, not partial eclipse, not picky eaters, do not eat a long-term high-fat and high-protein diet, and often eat vitamin-rich fresh vegetables and anti-cancer foods. Such as tomatoes, dark green and cruciferous vegetables (celery, coriander, kale, mustard, radish, etc.), soy products, citrus fruits, malt and oatmeal, onions, garlic, ginger, yogurt, etc.

    Dietary principles for patients with rectal cancer

    (1) Patients with colon and rectal cancer often have recurrent, persistent diarrhea and weak digestion, so they should be given food that is easy to digest and absorb.

    (2) Most patients with colorectal cancer have blood in their stools, and advanced patients often have a lot of blood in their stools, so they should take less or refrain from irritating and spicy foods.

    (3) Patients with chronic diarrhea or terminal patients have long-term fever, sweating, and damage to body fluids, so they should drink more water or soup. The staple food can be porridge, noodles and other semi-fluid diet.

    (4) Most patients have symptoms such as loss of appetite, nausea, and even vomiting, so they should take a light diet and avoid greasy food.

    (5) Patients with advanced colorectal cancer have chronic diarrhea, blood in the stool, fever, loss of a large number of nutrients and water, weight loss, weight loss, loss of qi and blood, and it is advisable to take a nutritious nourishing medicated diet.

    Smoking women are susceptible to rectal cancer

    A new study shows that the risk of developing rectal cancer in women who smoke is nearly twice that of women who have never smoked, especially those who smoke a lot every day, smoke for a long time, and quit smoking in old age, the risk of developing rectal cancer is higher . This also supports the early research results in this area.

    The study, published in the recently published journal of the National Cancer Institute, said that smoking cessation and prevention are still reported by researchers at Ohio State University on the incidence of rectal cancer in 14,000 women aged 50 to 79. A long-term observational study was conducted. Among these women, 51% have never smoked, 42% have smoked before, and 7% are still smoking. Researchers found that among women who had smoked for an average of 7.8 years or more, 1242 had developed invasive colorectal cancer, of which 176 had developed rectal cancer.

    Compared with women who have never smoked, women who are currently smoking have a 95% chance of developing rectal cancer, but it does not increase the chance of colon cancer.

    After the researchers considered the impact of other factors on the incidence of colorectal cancer, the above findings are still valid. These factors include age, race, family history, physical activity, non-steroidal anti-inflammatory drugs, hormone therapy; alcohol consumption, calcium intake, fiber, fat and red meat intake, waist circumference, and family history of female diabetes.

    The researchers concluded that this study provides another reason to encourage women to prevent and quit smoking. It is a way to prevent the onset of rectal cancer. Women who continue to smoke should receive normal colorectal cancer screening in time.

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    Diet tips for rectal cancer:

    Rectal cancer Eat less smoked foods, fried foods, foods that are too spicy, too irritating, and difficult to digest.

    (1) The more animal fats ingested from the diet, the greater the risk of dissolving and absorbing carcinogens.

    (2) A high-fat diet can increase the secretion of bile acids in the intestinal tract, which can potentially stimulate and damage the intestinal mucosa. If you stay in this kind of stimulation and damage for a long time, it may induce the production of tumor cells, leading to colorectal cancer.

    Diet suggestion one

    (1) Eat less or skip foods rich in saturated fat and cholesterol. Including: lard, tallow, chicken fat, mutton fat, fatty meat, animal offal, fish roe, squid, cuttlefish, egg yolk, palm oil and coconut oil, etc.

    (2) Vegetable oil [peanut oil, soybean oil, sesame oil, rapeseed oil, etc.] is limited to about 20 to 30 grams per person per day [about 2 to 3 tablespoons].

    (3) Do not eat or eat less fried food.

    (4) Eat moderate amounts of foods containing monounsaturated fatty acids, such as olive oil and tuna.

    (5) During the cooking process, avoid overheating animal food and vegetable oil.

    (6) Intake dietary fiber. The new force in preventing colorectal cancer increases the intake of dietary fiber, which can reduce the incidence of colorectal cancer. The reason may be that dietary cellulose has strong water absorption, which can increase the volume of feces, shape the feces, facilitate defecation, and reduce the concentration of carcinogens in the intestine, thereby reducing the risk of colorectal cancer.

    Diet suggestion two

    (1) Daily supplement of more than 30 grams of dietary fiber.

    (2) Eat more foods rich in dietary fiber. Such as: konjac, soybeans and their products, fresh vegetables and fruits, algae, etc.

    (3) Under the premise of maintaining the amount of staple food unchanged, replace fine grains with part of coarse grains.

    (4) Intake of vitamins and trace elements. The role of vitamins and trace elements cannot be underestimated. Scientific research has shown that vitamin A, β-carotene, vitamin C, vitamin E, and trace element selenium have potential effects in preventing malignant tumors.

    Diet suggestion three

    (1) Eat more fresh vegetables and fruits to supplement carotene and vitamin C.

    (2) Eat walnuts, peanuts, dairy products, seafood, etc. in moderation to supplement vitamin E.

    (3) Pay attention to intake of foods rich in trace element selenium such as malt, fish, mushrooms and so on.

    (4) If it is difficult to ensure the intake of the above foods due to various reasons, vitamin and mineral mixtures can be supplemented in appropriate amounts.

    Diet suggestion four

    (1) Purslane, 50g eggs each, or appropriate amount of kiwi fruit. Take 50g daily and make it into food for all year round. It has adjuvant treatment effect for patients with rectal cancer.

    (2) 30g day lily, 15g fungus, 6g blood charcoal. Decoct the first two kinds of water to get 300ml of juice, and take the blood residual charcoal. You can also take fresh figs. It has a therapeutic effect on patients with rectal cancer and blood in the stool.

    (3) For patients with rectal cancer and obvious anemia, 30g black fungus and 30 red dates can be used to make food for a day, eclipse each day.

    (4) For patients with leukopenia after radiotherapy or chemotherapy, porridge with rice, ginseng, water chestnut, lotus seeds, etc. can be used as a supplement. Or eat more shiitake mushrooms, oyster mushrooms, tricholoma, black fungus, white fungus, etc., which can boost white blood cells and enhance the body's immunity.

    Diet recommendation five

    (1) It is recommended that patients eat more seed plants, such as mung beans, peas, lentils, adzuki beans, bean sprouts, cereals, potatoes, etc. It is believed that these seed plants contain compounds that can prevent the activity of tumor-initiating factors.

    (2) Nutritionists also found that colored vegetables such as carrots, sweet potatoes, spinach, rape and other foods can increase the body's anti-cancer ability, especially carrots are the best anti-cancer food. Often eating carrots can reduce the incidence of bowel cancer. Cabbage, cabbage, cabbage, etc., contain a substance called indole, which can inhibit cancer. Eating more spinach can clean up the accumulated heat in the intestines, reduce the absorption of harmful substances, and reduce the chance of intestinal cancer. Garlic, shallots, and tomatoes have anti-cancer effects; kiwi fruit and barley have certain effects on the prevention and treatment of intestinal cancer, as well as certain anti-cancer effects.

    (3) Experts believe that kelp, seaweed and a large amount of iodine, calcium and carotene can convert some toxic organic substances in the human body into non-toxic substances, and have the effects of clearing heat, moisturizing the bowel, laxative and preventing bowel cancer.

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