1, the bloody stool of hemorrhoids is usually bright red, not mixed with feces but attached to the surface of feces; It can also be manifested as blood drops before and after defecation, and in severe cases, it is jet-shaped, which often occurs when constipation is knot.
2. The blood in the stool of anal fissure is less, and most of them are found on the toilet paper; When defecating, it may be accompanied by anal pain, so that patients dare not defecate.
3. There is no discomfort when the polyps have bloody stools, and the feces are normal, and the blood is often attached to the surface of the feces.
4. The bloody stool of colorectal cancer is characterized by persistent and chronic bloody stool with mucus, which is mixed with feces and has frequent defecation, and sometimes only some blood or mucus is solved without feces. If the cancer is farther away from the anus, the incidence of hematochezia will be lower. About 80% of rectal cancer has bloody stool.
The early stage of colorectal cancer lacks specific manifestations, and some patients only show habitual changes in stool and bloody stool in different degrees, so they are often misdiagnosed as hemorrhoids. Therefore, if there is a continuous bloody stool or stool occult blood test positive, further examination should be made to rule out whether it is caused by colorectal cancer.
Anal digital examination is the simplest examination method, and 70% of rectal cancer can be found through this examination. X-ray barium enema can find colon cancer swelling in all segments; According to the different parts of the tumor, we can also choose proctoscope, sigmoidoscopy and fibercolonoscopy to observe the tumor tissue, and we can clamp a small amount of tumor tissue for pathological examination, which can clearly diagnose the nature of the lesion and provide a plan for treatment.
==============================
Bloody stool is the most common symptom of hemorrhoids. About 90% of hemorrhoids patients have the performance of stool bleeding. Therefore, whenever it comes to hematochezia, people always think that it is an attack of hemorrhoids, which is irrelevant, while ignoring hematochezia is also one of the main symptoms of colorectal cancer, including some primary medical staff. Judging from the misdiagnosis, among 10 patients, 4 were delayed by patients themselves, 4 were caused by doctors, and the remaining 2 may be limited by conditions.
The incidence of colorectal cancer is very high, and it is one of the top ten common cancers in China. 70% ~ 98% of patients can be cured if they can be found early and surgically removed. However, according to the statistics of relevant departments, due to rectal cancer in anal bleeding, 50% of patients were delayed for half a year, 70% for three months, and 90% for 1 month. Only less than 10% of patients found that anal bleeding was diagnosed as colorectal cancer. What is the reason? It is many people who regard the bleeding of colorectal cancer as hemorrhoids.
In addition to obvious anal bleeding, colorectal cancer will also occur in the following situations: 1. Increased stool frequency or constipation, increased fecal mucus, unclean stool or anal distension after defecation; 2. Abdominal pain is also common, but it is not severe in the early stage of illness; 3. Abdominal mass is an early signal, accounting for about 1/3, especially the right colon cancer; 4. There will be 20% patients with intestinal obstruction at the first diagnosis, and the later the lesion, the higher the chance of obstruction; People over 5.40 years old should consider whether they have colorectal cancer when they have unexplained anemia and weight loss, combined with the above situations.
Therefore, we must attach great importance to anal bleeding, especially in middle age, when people have abnormal situations such as stool bleeding, they must go to the hospital for examination to rule out the possibility of malignant tumors. In any case, remember that observing your own feces is related to early detection of diseases.
Adopt it.