DDx
Differential Diagnoses
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Cowden Disease
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Cronkhite-Canada syndrome
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Hereditary nonpolyposis colon cancer
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Hyperplastic polyposis
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Juvenile polyposis syndrome
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Turcot's Syndrome
Media Gallery
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Colon, polyposis syndromes: polyposis coli. Postevacuation image obtained after double-contrast barium enema study shows extensive polyposis of the colon.
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Endoscopic images showing multiple large intestinal polyps in a patient with Gardner syndrome. Courtesy of Christina Surawicz, MD, Harborview Medical Center, Seattle, Wash.
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Surgical specimen of the colon in a patient with familial polyposis after total colectomy with ileoanal anastomosis. Note the carpetlike appearance of the mucosa covered with polyps.
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High-power view of a tubular adenoma. Courtesy of G. Warren, MD, Rose Medical Center, Denver, Colo.
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Villous adenoma showing fingerlike projections stretching from the surface of a polyp downward with minimal branching. Courtesy of D. Owen, MD.
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Plain lateral skull radiograph in a patient with known Gardner syndrome shows a large osteoma in the occipital region (arrows).
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Bland fibrocytic cells of a desmoid tumor growing in a haphazard-to-storiform manner and producing collagen (hematoxylin-eosin, original magnification X100).
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Cyst containing keratinous material (hematoxylin and eosin, original magnification X1.6).
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