Anal fistula is a sequelae of peri-anorectal abscess. It has a causal relationship with perianal abscess. It is a chronic infectious disease. It is caused by frequent and repeated pains in the external mouth of the anal fistula, and a small amount of purulent, bloody and mucous secretions flow out. The main symptom is the itching caused by irritation of the skin by substances and secretions. Hemorrhoids are a normal structure with important physiological functions that everyone has-the result of pathological hypertrophy and displacement of the anal cushion. The main symptom is defecation. Bleeding and prolapse, it has almost no similarities with hemorrhoids in terms of etiology, symptoms, signs, and location of onset, so it is easy to distinguish. Generally, a preliminary diagnosis can be made based on the patient's chief complaint, combined with routine examinations in the anorectal department (Including inspection, digital examination + anoscopy) can completely identify and confirm the diagnosis, and the treatment methods adopted for them are completely different. Therefore, in the eyes of doctors who specialize in anorectal medicine, anal fistula and hemorrhoids are two different diseases that are basically unrelated.
Although anal fistula is also one of the common diseases in anorectal department, like perianal abscess, anal fistula is not as well-known as hemorrhoids in the folk. Therefore, patients with anal fistula often come to see a doctor who claim to have hemorrhoids (they think the anus is uncomfortable). , If you get the disease, you must have hemorrhoids), but in fact they suffer from anal fistula rather than hemorrhoids. Of course, due to the high incidence of hemorrhoids, it is also very common for patients with anal fistula to have hemorrhoids at the same time. When the fistula is surgically incised and removed, the hemorrhoids in the direction of the passage are often removed together. As for the treatment of hemorrhoids in other directions, follow Based on the principles of hemorrhoid treatment, the most appropriate treatment plan is selected according to the specific situation.