Original Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jul 21, 2009; 15(27): 3376-3381
Published online Jul 21, 2009. doi: 10.3748/wjg.15.3376
Table 1 Proposed approach for defining the risk of aggressive behavior in GISTs
Size (cm)Mitotic count
Very low risk< 2< 5/50 HPF
Low risk2-5< 5/50 HPF
Intermediate risk< 56-10/50 HPF
5-10< 5/50 HPF
High risk> 5> 5/50 HPF
> 10Any mitotic rate
Any size> 10/50 HPF