LYCOS RETRIEVER 
Diverticulitis: Colon
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Diverticulitis is just one of the possible signs that all is not well with your diet, and diverticulitis diets should be geared to improving your overall health, especially the health of your colon. Constipation and a buildup of colonic waste is a disaster for diverticulitis, so if you're serious about getting well, you will need to pay attention to cleansing and regulating your colon. It should be a priority to avoid anything that may make your colon worse. This includes all refined, processed foods, and anything containing chemicals and additives.
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Diverticulitis (die-ver-tik-u-li-tis) is an inflammation (swelling) of the small sac-like pouches in the colon (large bowel). These sacs are called diverticula. Diverticulitis occurs when stool or food that is not broken down get trapped in the diverticula. This can cause swelling, pain, and infection in your abdomen (stomach). Diverticulitis is most common in people over the age of 80.
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INTRODUCTION/DEFINITIONS — Diverticulitis represents micro- or macroscopic perforation of a diverticulum. It was previously believed that obstruction of diverticula, eg, by fecaliths, increased diverticular pressure and caused perforation; such obstruction is now thought to be rare. The primary process is thought to be erosion of the diverticular wall by increased intraluminal pressure or inspissated food particles. Inflammation and focal necrosis ensue, resulting in perforation. (See "Epidemiology and pathophysiology of colonic diverticular disease").
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Diverticulitis refers to the development of inflammation and infection in one or more diverticula. Diverticula are outpouchings or bulges which occur when the inner, lining layer of the large intestine (colon) bulges out (herniates) through the outer, muscular layer. The presence of diverticula indicates a condition called diverticulosis.
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Diverticulitis is characterized by the abrupt onset of unremitting left-lower quadrant abdominal pain, fever, and an alteration in bowel pattern. Diverticulitis of the transverse colon may simulate ulcer pain; diverticulitis of the cecum and redundant sigmoid may resemble appendicitis.
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Diverticulitis is thought to be the result of a diet that is too low in fiber. Without fiber to add bulk to the stool, the colon must exert more pressure than normal to move the stool forward. The pressure may cause pouches (diverticula) to form in weak spots along the colon. Diverticulitis occurs when these pouches become inflamed or infected.
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