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Unformatted text preview: lumen becomes filled with mucus and swells. This Intraluminal swelling stretched the walls of the appendix resulting in thrombosis and occlusion of the small vessels and stasis of lymphatic flow. The anaerobic environment of the blocked appendix allows the bacteria which normally inhabit the bowel to invade the wall of the appendix, causing infection. Eventually the appendix becomes avascular, begins to necrose and becomes prone to rupture. Cause of Occlusion Faecalith (compact faecal material) is the most common cause Intestinal worms Tumours Swollen glandular tissue (viral infections, lymphoma)...
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- Fall '10