What is this sign? 
‘Thumb-printing sign’ on a plain abdominal film of a patient presenting with ulcerative colitis
Thumbprinting
large bowel wall thickening, usually caused by edema, related to an infective or inflammatory process (colitis).
The normal haustra become thickened at regular intervals appearing like thumbprints projecting into the aerated lumen.
large bowel wall thickening, usually caused by edema, related to an infective or inflammatory process (colitis).
The normal haustra become thickened at regular intervals appearing like thumbprints projecting into the aerated lumen.
Thumbprinting may be seen in:
inflammatory bowel disease
Crohn disease
ulcerative colitis
infection (i.e. pseudomembranous colitis)
ischemic bowel
diverticulitis
mucosal/submucosal hemorrhage
lymphoma
amyloid
typhlitis
inflammatory bowel disease
Crohn disease
ulcerative colitis
infection (i.e. pseudomembranous colitis)
ischemic bowel
diverticulitis
mucosal/submucosal hemorrhage
lymphoma
amyloid
typhlitis
• • •
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