2020年10月29日星期四

what does a hemorrhoids look like,Which diseases can cause stool bleeding?

    When a patient with recurrent blood in the stool was diagnosed with advanced rectal cancer, he said sadly: "If I had paid attention to blood in the stool, it would not be like this." A few months ago, when he had blood in the stool, he simply treated it as hemorrhoids. Failure to do the corresponding examination in time, and the operation in time, resulted in today's result. In fact, there are many clinical lessons of this kind. Many people think that blood in the stool is nothing more than hemorrhoids. The most direct consequence of tolerating or neglecting blood in the stool is to miss the best time for treatment of many diseases.

    So those diseases can cause stool bleeding?

    Hematochezia is a signal of no fewer than dozens of anal and digestive tract diseases. We can make self-judgments based on the comprehensive analysis of the way, amount, color and accompanying symptoms of blood in the stool so that we can deal with them in a timely and reasonable manner.

    1. Upper gastrointestinal bleeding, stools are tarry or black, and the bleeding sites are mostly in the upper gastrointestinal tract, that is to say, the possibility of stomach and duodenal bleeding is mostly. If the blood is red, it is mostly lower gastrointestinal bleeding. However, if the amount of bleeding in the upper gastrointestinal tract is large, because the blood stays in the gastrointestinal tract for a short time, the blood color can also be red. This needs attention.

    2. Hemorrhoids are the most common cause of blood in the stool. This type of blood in the stool occurs during or after defecation. The blood is bright red, and the blood does not mix with the stool. It is dripping or spraying out. The amount of bleeding can be large or small. However, some still exhibit a certain periodicity. Some patients have small bumps protruding from the inside of the anus when they struggle to defecate, but there is no pain in the anus.

    3. Blood in the stool caused by anal fissure is also common in clinical practice. The blood is bright red, drips or wipes blood on toilet paper. Unlike hemorrhoids, it often has severe pain in the anus after defecation.

    4. Rectal polyps and blood in the stool in children are mostly caused by this disease. The blood in the stool caused by polyps is bright red, painless, and the blood does not mix with the stool. Some patients have grooves on the surface of the stool. The polyps can grow to a certain length and protrude out of the anus with the stool.

    5. Intestinal tumors. Among intestinal tumors, rectal cancer causes blood in the stool to be most similar to hemorrhoid bleeding due to its lower location. The blood in the stool is bright red and attached to the surface of the stool in the form of drops, but most of it is mixed with mucus and dark blood clots in the blood or in the stool, accompanied by foul smell, which is persistent, accompanied by anorectal drop and body weight loss in the late stage, and stool frequency Increasing, constipation and diarrhea alternately appear, based on these can be initially distinguished from hemorrhoids. Digital anus examination is one of the most convenient and economical examination methods to find anorectal tumors.

    6. Ulcerative colitis, dysentery and other diseases can also cause blood in the stool. Most of the blood in the stool caused by this type of colitis disease is mixed with mucus or pus and blood, accompanied by lower abdominal pain, fever, frequent stools and tenesmus. See more.

    7. In addition, some rare diseases, such as typhoid fever, intestinal tuberculosis, intussusception, etc., may also have blood in the stool. Systemic diseases such as leukemia, aplastic anemia, primary thrombocytopenic purpura, hemophilia, coagulation disorders, collagen disease, uremia, and some rare infectious diseases such as plague, typhus, etc., will have blood in the stool . But in these diseases, blood in the stool is only a part of the body bleeding. At the same time as the blood in the stool, there will be bleeding in other parts of the body. Therefore, it is not difficult to distinguish.

    It is still difficult to make a complete and accurate self-judgment based on the characteristics and symptoms of blood in the stool. It is best to go to the anorectal department for anal examination, especially the digital anus examination combined with colonoscopy, so that the diagnosis can be more accurate for early treatment.

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