Colorectal cancer and hemorrhoids have similar symptoms and are easily overlooked. A woman in Taiwan with a family history of colorectal cancer has the habit of having regular colonoscopy examinations, but no malignant tumor was found due to the “dead end” problem. The situation did not improve, but fortunately, the doctor found something different and found that she had colorectal cancer through digital examination.
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Zheng Yiqin, a Taiwanese hepatobiliary and gastroenterologist, appeared on the TV show “healthy life” shared the case, referring to a 51-year-old woman who sought medical attention due to intermittent bleeding from hemorrhoids for 2 months, and the application of ointment did not improve. After the consultation, I learned that the woman’s father had a history of colorectal cancer, so she started to have regular colonoscopy examinations at the age of 40. The last time she received the examination was 3 years ago, and no polyps were found at that time.
Dr. Zheng felt strange at the moment, so he performed a digital anal examination for the woman. Unexpectedly, he touched a hard, somewhat elastic foreign body. According to colonoscopy. It turned out that there was a 4 to 5 cm tumor next to the anal opening, which was confirmed to be stage 1 colorectal cancer. Fortunately, it was found in time, and there was no lymphatic metastasis, and the woman finally recovered healthily.
Dr. Zheng continued that the colonoscopy is a forward-looking lens with a range of regarding 150 degrees, and the patient’s tumor may be located in the “dead corner” of the colonoscopy. He said that if there had been a digital inspection, the problem might have been detected earlier.
Colorectal cancer at an early stage or asymptomatic
According to the cancer statistics of the Hong Kong Hospital Authority, there were 5,556 new cases of colorectal cancer in 2019, accounting for 15.8% of the new cases in the whole year, and a total of 2,174 deaths, accounting for 14.6%, making it the second deadly cancer in Hong Kong. Surgery specialist Liu Zhuoling said that colorectal cancer is a cancer formed by abnormal growth of cells in the colon or rectum. Colorectal polyps, such as adenomatous polyps, will become cancerous if not removed in time; early colorectal cancer may have no symptoms, and other common Symptoms include blood in the stool or heavy secretion of mucus, changes in bowel habits such as loose stools or constipation, and weight loss for no apparent reason.
Dr. Lau said that colorectal cancer in Asia tends to be younger, and the incidence of colorectal cancer patients under the age of 50 is increasing. A study by CUHK also shows that the number of colon cancer patients under the age of 55 in Hong Kong increases by 1.7% every year, which is believed to be related to obesity. Therefore, international It is recommended that the age of colorectal cancer screening should be lowered from 50 to 45 years old.
The sooner it is detected, the better the chance of survival
He said that if the polyp has evolved into a cancer, the earlier it is detected, the higher the survival rate. The 5-year survival rate of patients with stage 1 colorectal cancer can be higher than 90%. According to estimates by the Department of Health, as of September 2019, regarding 170,000 eligible persons had participated in colonoscopy, 12.6% of them were positive for fecal occult blood, and 66.7% of them were diagnosed with colorectal adenomas. He said that during colonoscopy, if polyps are found, they will be removed immediately using endoscopic instruments, and tissue samples will be taken immediately for testing.
Bloody stool is divided into two kinds of black or due to gastric ulcer
Blood can be divided into two types. Black bloody stools are located in the upper gastrointestinal tract, reflecting mild gastrointestinal bleeding, gastric ulcers and other diseases, such as taking iron supplements, aspirin, etc., may also produce black stools; and red bloody stools. The location of the bleeding is most likely in the lower gastrointestinal tract. It is bright red and there are many bloodstains on the toilet paper. It is usually related to hemorrhoids. If it is dark red, it may be related to diseases of the back of the small intestine and the large intestine.
8 high-risk individuals for colorectal cancer
Liu Yuzhi, a specialist in digestive surgery in Taiwan, once pointed out that colorectal cancer patients are difficult to detect in the early stage of the disease, and people who are old, overweight, and often sedentary should have regular colonoscopy. Dr. Liu pointed out that although colorectal cancer patients are difficult to detect symptoms in the early stage, they can pay attention to the following characteristics to know whether they are at high risk of colorectal cancer.
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6 major symptoms of colorectal cancer
You can pay attention to whether you have the following 6 symptoms of colorectal cancer and seek medical attention as soon as possible:
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5 prevention methods
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Written by: Chen Letong
