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Thread: Thumbprinting Sign

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    Default Thumbprinting Sign

    A radiographic sign of large bowel wall thickening, usually caused by oedema ,related to an infective or inflammatory process that suggests the diagnosis of colitis. The normal haustra become thickened at regular intervals appearing like thumbprints projecting into the aerated lumen.


    Thumbprinting Sign attachment.php?attachmentid=213&stc=1&d=1434729749

    Thumbprinting Sign


    Thumb-shaped, nodular, indentations at regular intervals in the bowel wall.
    may be seen in:
    • inflammatory bowel disease
    • Crohn disease
    • ulcerative colitis
    • infection (i.e. pseudomembranous colitis)
    • ischaemic bowel
    • diverticulitis
    • mucosal/submucosal haemorrhage 2
    • lymphoma
    • amyloid











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