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Hemorrhoid cushions are a part of normal human anatomy and become a pathological disease only when they experience abnormal changes. There are three main cushions present in the normal anal canal. These are located classically at left lateral, right anterior, and right posterior positions. They are composed of neither arteries nor veins, but blood vessels called sinusoids, connective tissue, and smooth muscle. Sinusoids do not have muscle tissuein their walls, as veins do. Hemorrhoid or haemorrhoid (also commonly called piles) are vascular structures (similar to veins) in the anal canal which help with stool evacuation. We only speak of hemorrhoids (or piles) when they become swollen or inflamed. But hemorrhoids are a normal part of the anatomy and everyone has these structures. Perianal hematoma are caused by the rupture of a small vein that drains blood from the anus. This rupture may be the result of forceful or strained bowel movement, anal sex or caused by heavy lifting, coughing or straining. Once the rupture has formed, blood quickly pools within a few hours and, if left untreated, forms a clot. Anorectal abscess (also known as an analrectal abscess, or perianalperirectal abscess) is an abscess adjacent to the anus. Most cases of perianal abscesses are sporadic, though there are certain situations which elevate the risk for developing the disease, such as diabetes mellitus, crohns disease, chronic corticosteroid treatment and others. Developed a non-excisional surgical technique for the treatment of internal hemorrhoids. Further refined this technique, introducing transanal hemorrhoidal dearterialization (thd). Thd belongs to the category of minimally invasive surgery, since the procedure does not comprise incisions or removal of the hemorrhoidal tissue. Rubber band ligation (rbl) is an outpatient treatment for internal hemorrhoids of any grade. There are several different devices a physician may use to perform the procedure, including the traditional metal devices, endoscopic banding, and the crh oregan system. Stapled hemorrhoidopexy, is a surgical procedure that involves the removal of abnormally enlarged hemorrhoidal tissue, followed by the repositioning of the remaining hemorrhoidal tissue back to its normal anatomic position. Severe cases of hemorrhoidal prolapse will normally require surgery. Newer surgical procedures include stapled transanal rectal resection (starr) and procedure for prolapse. Gonorrhea (gonococcal proctitis) this is the most common cause. Symptoms include soreness, itching, bloody or pus-like discharge, or diarrhea. Other rectal problems that may be present are anal warts, anal tears, fistulas, and hemorrhoids. 08 mb diseases of the rectum and anus- designed for students and practitioners of medicine (1910) (14784684835). Hemorrhoids prolapse when their blood vessels swell and extend from their location in the rectum through the anus. In the anal canal, the hemorrhoid is exposed to the trauma of passing stool, particularly hard stools associated with constipation. The trauma can cause bleeding and sometimes pain when stool passes.