First, the difference between anal fissure and hemorrhoids from a pathological perspective
1. Anal fissure is characterized by skin cracks in the anal canal, anal canal ulcers, and difficulty in healing.
2. Hemorrhoids are caused by the formation of varicose veins and venous blood vessels around the anus, and the sliding of the mucous membrane at the lower end of the rectum.
Second, the difference between anal fissure and hemorrhoids in terms of symptoms
1. Anal fissure is mainly caused by pain and blood in the stool. Hemorrhoids mainly cause bleeding. Hemorrhoids will only cause severe pain when the external hemorrhoids become inflamed and swollen.
2. Anal fissure can be seen in the skin of the anal canal, but hemorrhoids are not. It can be determined during digital anal examination, but most patients with anal fissures cannot undergo digital anal examination or speculum examination;
3. Anal fissures are often accompanied by anal papillary hypertrophy and anal papillomas, while hemorrhoids It is not accompanied by anal papillary hypertrophy or papilloma;
4. In patients with anal fissure, the anus appears narrow, while in patients with hemorrhoids, prolapse and eversion of internal hemorrhoids are common.