The doctor reminded that when symptoms such as changes in bowel habits or abnormal stool patterns appear, it is usually a relatively advanced colorectal cancer, but if abnormalities are found, be sure to seek medical attention as soon as possible; the picture shows a situational photo. (Photo source: shutterstock)
[Health Channel/Comprehensive Report]Colorectal cancer, gastric cancer and esophageal cancer are common digestive tract cancers in the country, ranking third, seventh and ninth among the top ten causes of death in the country, but doctors reminded that early digestive tract cancer Most people do not have any symptoms, so that many people take it lightly or mistakenly think that they will be fine after undergoing an endoscopy. Therefore, it is particularly reminded that if there is dysphagia, a burning sensation in the chest and heart, nausea and vomiting, and changes in stool pattern may be caused Health alarm.
Normal defecation does not mean that there is no problem. Early colorectal cancer has no special symptoms
Ye Renhao, the attending physician of the Gastrointestinal Hepatobiliary Department of Edachang Hospital, pointed out in the book “Preemptive Interception, Cancer Stops: Ending Early Cancer of the Gastrointestinal Tract (Esophagus/Stomach/Intestine/Submucosal Tumor)” (Yuanshui Culture Publishing). It is actually wrong to think that your bowel movements (type and frequency, etc.) are business as usual, and it is impossible for colorectal cancer to come to your door.
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Ye Renhao said that there are two root causes of this myth. One is that “there are symptoms only when there is a problem.” However, the process of colorectal polyps from scratch to cancer and even metastasis takes more than 10 years on average. Before canceration and spreading, there will be almost no special symptoms; secondly, many people’s arguments that “constipation can form stools, which can cause toxins to accumulate in the body, and then stimulate the production of colorectal cancer” have long been overturned by many scientific studies.
Ye Renhao reminded that in the past, health education for colorectal cancer often focused on symptoms including: iron deficiency anemia, lower abdominal pain, changes in bowel habits (from a few weeks to several months), thinning of stool or diarrhea, tenesmus, abnormal weight loss, the above symptoms It is indeed a very important basis for judging colorectal cancer. However, when these symptoms are triggered, it is usually a late stage. Relatively speaking, early colorectal cancer, including precancerous lesions or large-scale pod of more than 1 cm, will not produce any symptoms. But if we can deal with it early and take precautions before it happens, we can avoid future misfortunes. Good screening should focus on how to detect such lesions early.
Endoscopy can find cancer risk factors to detect early cancer
The warning signs of upper gastrointestinal symptoms (esophagus, stomach, duodenum) include dysphagia, burning or vomiting in the chest and heart, pain in the stomach or upper abdomen, nausea and vomiting, black tarry stools or bloody stools, unintentional weight loss (3 Decrease by more than 5% every month for no reason), especially when the symptoms are new and continue for several weeks to several months or continue to worsen, be sure to seek medical attention as soon as possible. In terms of clinical experience, although most of the above symptoms are ultimately not related to cancer after detailed examination, endoscopy is not only helpful for confirmation and diagnosis, but also may identify risk factors for future cancer, or even silent early cancer. .
Ye Renhao reminded that even if the body does not have any symptoms, it is not necessarily safe and sound, and it is not guaranteed for life to get an endoscope once. In this way, it is not necessary for everyone to be checked. However, for some possible risk factors, early screening of the digestive tract is extremely important. In addition, such as living habits and hobbies, their own disease history and family history, etc. , Will affect the timing of screening recommendations.
Esophageal cancer morbidity increased by 14 times
Ye Renhao said that patients with head and neck cancers such as oral cancer and nasopharyngeal cancer are at high risk of esophageal cancer, and the risk of oral cancer complicated by esophageal cancer is as high as 30%; the common esophageal cancer in Taiwan is esophageal squamous epithelial cancer, which is the cause of this cancer. It is usually related to lifestyle habits. For example, smoking, alcohol, betel nut and overheated food may stimulate the esophageal mucosa, causing degeneration and abnormal changes in the long term, increasing the risk of cancer, especially the “red-faced people” who are prone to blush after drinking, due to the ability to metabolize alcohol Poor, the risk of esophageal cancer is 14 times higher than that of the average person.
90% of gastric cancer and Helicobacter infection are related to family history
As many as 90% of gastric cancers related to chronic infection of Helicobacter bacillus gradually shrink due to chronic inflammation of the gastric mucosa, resulting in atrophic gastritis and intestinal metaplasia (like the gastric mucosal pattern of the intestine), which in turn leads to an increased risk of cancer.
In addition, first-class relatives (parents, siblings, children) have a history of gastric cancer, and their own risk of gastric cancer can reach 2 to 10 times that of ordinary people; a small number of gastric cancer patients have their own pathogenic genes, and the disease is about 30 to 40 years old. , The course of the disease is often rapid, which is the type of gastric cancer that is not easily intercepted in the early stage by current medical technology.
90% of colorectal cancers are caused by papillary lesions. Those over the age of 50 should be screened regularly
Ninety percent of colorectal cancer is caused by colorectal polyps, but not all colorectal polyps will evolve into colorectal cancer. Only adenomatous polyps or serrated adenomas will have malignant changes. It takes at least 5 to 10 years for a polyps to appear, grow, and become cancerous. Therefore, removing the squamous meat greatly reduces the occurrence of colorectal cancer in the future.
It is generally recommended that people over the age of 50 receive a colonoscopy or fecal occult blood test on a regular basis.
Please try to screen as early as possible in the following 4 situations:
●Stool occult blood test is positive, it is best to have endoscopy within 3 months. According to statistics, about 50% of people with positive occult blood have adenomatous polyps and 5% have colorectal cancer.
●I have iron deficiency anemia, lower abdominal pain, changes in bowel habits (from several weeks to several months), thinning of stool or diarrhea, tenesmus, abnormal weight loss, etc., especially bloody stools.
●First-class relatives (such as parents, siblings, children) have colorectal cancer, and first-class relatives have more than 3 pimples or adenomatous pimples of more than 1 cm, it is recommended to start screening before the age of 40 .
●Many people in the family suffer from cancer before the age of 50 (common but not limited to colorectal cancer, endometrial cancer, etc.) and can be screened for Lynch syndrome at their own expense. This disease may have many different types at a relatively young age Cancer can also be used as a basis for health management.
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