Review
Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. Aug 10, 2015; 7(10): 950-959
Published online Aug 10, 2015. doi: 10.4253/wjge.v7.i10.950
Table 1 Spigelman classification for duodenal polyposis in patients with familial adenomatous polyposis
CriterionPoints
123
Polyp number1-45-20> 20
Polyp size (mm)1-45-10> 10
HistologyTubularTubulo-villousVillous
DysplasiaMildModerateSevere
Stage 0: 0 points; stage I: 1-4 points; stage II: 5-6 points; stage III: 7-8 points; stage IV: 9-12 points