Original Article
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2010; 16(32): 4031-4038
Published online Aug 28, 2010. doi: 10.3748/wjg.v16.i32.4031
Table 1 Extracellular matrix degradation ultrastructural grading system
CharacteristicResistanceDegradation
Score 0Score 1Score 2Score 3
PorosityNo changeLight increaseDistinct increaseStrong increase
Surface fibrillar arrangementNo changeLight alterationDistinct alterationNative arrangement not recognizable
Erosion of matrix surfaceNo changeLight surface erosionDistinct surface erosionNative surface structure not recognizable