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Colectomy for Diverticulitis
extended right #Colectomy for #Diverticulitis. In the first pic, you can see many "holes" in the mucosa (inner lining of the colon), 2 of which are marked with yellow arrows, but there are tons to see. These diverticula are outpouchings of the mucosa which dip down past the muscular layer and create a pouch. When the colon has a bunch of these, it's called #Diverticulosis and once they become inflamed it is termed #Diverticulitis. This leads to pain and can require surgery. Fecal matter can get trapped in these pouches and turn to fecaliths, which are basically "stones" of fecal matter trapped in the pouches. Additionally, this can lead to bowel perforation and abscess formation. 2nd pic shows the cross section of a diverticulum where you can see how the mucosa dips down, creating a small pouch.