The appearance of polyps in the anus is quite common in our daily life, and there are many causes. It mainly refers to the steel pipe or rectal mucosa, and some round or oval tumors appear. It is not caused by chronic inflammatory stimulation. Don’t worry too much when such polyps appear. Most of them are benign tumors. Of course, they must be treated in time. Multiple cases are only a minority. Clinical manifestations 1. Painless blood in the stool is the main clinical manifestation of anal polyps, and some patients may not have symptoms of blood in the stool. The amount of bleeding is generally small. However, if the polyp is squeezed off during defecation or the polyp is large and located low, a larger amount of bleeding may occur. The characteristic of blood in the stool is that there is blood in the stool, but no dripping of blood occurs. 2. When prolapsed anal polyps are large or numerous, gravity pulls on the intestinal mucosa, causing it to gradually separate from the muscle layer and prolapse downward. The traction caused by the patient's defecation movement and the stimulation of intestinal peristalsis can relax the mucosal layer around the base of the rectum, which may be complicated by rectal prolapse. 3. Intestinal irritation symptoms Intestinal peristalsis pulls on polyps, which may cause intestinal irritation symptoms such as abdominal discomfort, abdominal pain, diarrhea, bloody stools, tenesmus, etc.Treatment of anal polyps usually requires surgical treatment, and pathological diagnosis of polyp specimens after surgery is crucial. Some patients may have recurrence after resection and need multiple surgeries: 1. For pedunculated polyps with a diameter of less than 2 cm and non-polyposis patients, transanal resection or endoscopic snare removal, biopsy forceps removal, and high-frequency electrocoagulation can be performed. 2. For broad-based polyps with a diameter greater than 2 cm, the surgical approach can be selected based on the actual clinical situation: (1) Transanal surgery is suitable for rectal polyps located below the peritoneal reflection. (2) Transabdominal surgery is suitable for polyps with a base diameter greater than 2 cm above the peritoneal reflection. (3) For broad-based polyps with a diameter greater than 2 cm and lesions located only in the mucosal layer, endoscopic submucosal dissection can be performed. (4) For polypectomy that is 5 to 15 cm away from the anal verge, transanal endoscopic polypectomy can be performed if conditions permit. (5) For sites 5 to 10 cm away from the anal verge, resection can also be performed through the anal sphincter approach. |
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