Which anorectal diseases cause blood in the stool?

Which anorectal diseases cause blood in the stool?

A variety of anorectal diseases will cause blood in the stool, which should be comprehensively analyzed and judged according to the age of onset, the type of blood in the stool, how much, the color, and the symptoms associated with pain.

If the stool is tar-like or black, and most of the bleeding is in the upper digestive tract, the stomach and duodenum may be bleeding.

If the blood color is purple, mixed with mucus, and accompanied by foul odor, the possibility of injection of tumors, especially rectal cancer should be considered.

Generally, the blood in the stool is bright red and is attached to the surface of the stool in drops. The bleeding site is mainly in the anus or not far from the anus.

But at least yes, if there is a lot of bleeding from the upper digestive tract, because the blood stays in the digestive tract for a short time, the blood color can also be bright red, which needs to be carefully identified.

  Blood in the stool occurs in children, mostly caused by rectal polyps. Blood in the stool caused by general polyps is bright red, painless, and blood and stool are not mixed.

Children have paroxysmal abdominal pain, a lump can be felt in the right lower abdomen, and the blood is jam-like. You should be highly alert to the occurrence of intussusception in children. When you have the above symptoms, you should go to the hospital in time to avoid misdiagnosis.

  Mucus-like bloody stools in adults, accompanied by lower abdominal pain, frequent stools and other symptoms are usually caused by ulcerative colitis.

  Blood in the stool is bright red, often linked to the complication of hard and dry stools. After the stool, the anus appears to cause pain, which is more common in anal fissure.

  It is worth mentioning that some diseases cause a small amount of blood in the stool, which is often undetectable with the naked eye, and a small amount of gastrointestinal bleeding is an important symptom of early colon cancer.Good timing is important.

The fecal occult blood test is generally used to check a small amount of blood mixed in stool.

When the patient finds that he has symptoms of blood in the stool, he should go to the hospital as soon as possible, undergo a clinical examination, and pass various tests such as laboratory tests, X-rays, and endoscopy to determine the disease and treat it early.

  The diseases that cause anorectal hemorrhage are generally divided into four categories by site.

  (1) Cancer: Prostate cancer is the most common cause of blood in the stool. Hemorrhoids and anal fissures are caused by bleeding in the stool. Severe blood can be sprayed, bright red, blood and feces are not mixed, and anal fissures.Often accompanied by anal pain after defecation.

Hemorrhoid hemorrhage is often caused by small swellings protruding from the anus during defecation, and there is dripping or spurting blood. The amount of bleeding can be large or small, and internal hemorrhoids are often painless.

  (2) Rectal disease: Rectal polyps are benign tumors of the rectum, blood in the stool is the main symptom of rectal polyps, and retinal polyps that are close to the anus sometimes prolapse outside the anus.

Fatal diseases are common in children.

  If someone continues to have blood in the stool, has a falling sensation, increases the number of stools, alternates with constipation and diarrhea, and has a significant decrease in body weight in the short term, it may indicate the possibility of rectal cancer. This situation must causeHighly known, especially the elderly.

  (3) Colon diseases: The colon is the same as the rectum, and polyps and cancer can also occur. Ulcerative colitis, pus and other diseases can also cause blood in the stool. Most of the blood in the stool caused by such colitis is mixed with mucus or pus.Bloody stool, accompanied by abdominal pain, fever, urgency and severe symptoms.

In addition, some relatively rare diseases, such as typhoid fever, intestinal tuberculosis, intussusception, etc., may also have symptoms of blood in the stool.

  (4) Systemic diseases: leukemia, aplastic anemia, primary thrombocytopenic purpura, hemophilia, coagulation disorders, collagen disease, uremia and some rare infectious diseases such as plague, typhus, etc.,Blood in the stool will appear.

However, in these diseases, part of the local systemic bleeding in the stool blood, while bleeding in the stool, there will be bleeding in other parts of the body, so it is not difficult to identify.

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