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Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 28, 2007; 13(24): 3279-3287
Published online Jun 28, 2007. doi: 10.3748/wjg.v13.i24.3279
Table 1 Main US features observed in Crohn’s disease (modified from Maconi et al[93])
FeaturesCrohn’s disease
Bowel wall
Thickening4-14 mm
EchopatternVariable
VascularityVariable
ContoursVariable
StiffnessOften present
Haustra coliAbsent
PeristalsisOften weak or absent
Location and extension
SiteIleum 70%
Bowel involvementOften divided into segments
Extra-intestinal alterations
Mesenteric hypertrophyCommon
Enlarged regional lymph nodesCommon
Fistulae and abscessesCommon