Topic Highlight
Copyright ©The Author(s) 2016.
World J Gastroenterol. Jan 21, 2016; 22(3): 1008-1016
Published online Jan 21, 2016. doi: 10.3748/wjg.v22.i3.1008
Table 1 Classification system of Crohn’s disease-associated strictures developed by Paine and Shen[30]
EtiologyPrimary vs secondary (anastomotic); benign vs malignant
NumberSingle vs multiple
DegreeHigh grade vs low grade
ShapeWeb like vs spindle shaped; circumferential vs asymmetric
LengthShort vs long
LocationEsophagus, pylorus, small bowel, ileocecal valve, anastomosis, colon, rectum, anus
Associated conditionsFibrosis, edema, proximal dilation, ulceration, fistula with or without abscess, angulated, prior strictureplasty