Gastrointestinal System

{"ops":[{"insert":"Endoscopic Features of Crohn\u0027s Disease"},{"insert":"\n","attributes":{"header":1}},{"insert":"The endoscopic appearance of Crohn\u0027s Disease (CD) is highly variable and changes based on disease activity and duration.\n\nClassically, CD is characterized by \u0022skip lesions\u0022, i.e. areas of disease separated by normal mucosa; the inflammation often does not extend circumferentially.\n\nThe rectum is usually spared, and the most severe lesions are usually seen in the cecum and right colon.\n\nIn early\/mild CD: \n - The colonic mucosa may appear endoscopically normal. \n - Small, punched-out aphthous ulcers may be seen.\n\nIn moderate CD:\n - Aphthous ulcers coalesce into larger ulcers, which may take on the appearance of a star (stellate ulcers).\n\nIn severe CD:\n - A cobblestone appearance (submucosal edema and injury) may be seen\n - Patients with sever"}]}

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