Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 21, 2007; 13(3): 426-431
Published online Jan 21, 2007. doi: 10.3748/wjg.v13.i3.426
Table 1 Risk categories in GISTs
SizeMitotic count
Very low risk< 2 cm< 5/50 HPF
Low risk2-5 cm< 5/50 HPF
Intermediate risk< 5 cm6-10/50 HPF
5-10 cm< 5/50 HPF
High risk> 5 cm> 5/50 HPF
> 10 cmAny mitotic rate
Any size> 10/50 HPF