Systematic Reviews
Copyright ©The Author(s) 2016.
World J Gastroenterol. Oct 7, 2016; 22(37): 8414-8434
Published online Oct 7, 2016. doi: 10.3748/wjg.v22.i37.8414
Table 11 Study definitions of good response according to magnetic resonance imaging tumour regression grade scales
Ref.YearTRG scale used (histological stage based upon)Scales accurate?Good response definitionTotal (n)Good responders (n)Average F/up in monthsLR (%) 5 yrDR (%) 5 yrDFS (%)OS (%)
Shihab et al[52]2011MRI TRG (based on Mandard)YesTRG 1,2,3372013
Patel et al[6]2012MRI TRG (based on Dworak)YesTRG 1,2,36947
Patel et al[5] and Patel et al[7]2011 and 2012MRI TRG (based on Dworak)YesTRG 1,2,366326014Yr. 5: 64Yr. 5: 72
Yu[53]2014 (unpublished data from our centre)MRI TRG (based on Mandard and Dworak)YesTRG 1,215261DFS, Yr. 5: 83%DFS, Yr. 5: 90%