Kawamura et al reported a modified Kyoto Classification Risk Score for evaluating a patient for gastric intestinal metaplasia and cancer. The authors are from multiple institutions in Japan.
Evaluation: gastric endoscopy
Parameter:
(1) atrophy using the Kimura-Takemoto classification
(2) intestinal metaplasia involving corpus on image-enhanced endoscopy > 30%
(3) regular arrangement of collecting venules (RAC) in the angulus
(4)map-like redness in corpus
Parameter
Finding
Points
atrophy
C-0 to C-3
0
O-1 to O-3
1
intestinal metaplasia involving corpus
no
0
yes
1
RAC
visible
0
invisible
2
map-like redness corpus
no
0
yes
1
score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 5
Score
Risk Group
Odds Ratio for Gastric Cancer
0 or 1
low
1
2 or 3
intermediate
8.6
4 or 5
high
28
Performance:
• The area under the ROC curve is 0.75.
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