Abstract
We performed a prospective study from November 1989 to December 1996 to assess the
accuracy of endoscopic ultrasonography (EUS) in the locoregional staging and resectability
of patients with gastric carcinoma. One hundred and nineteen patients with gastric
cancer who received preoperative assessment by EUS underwent subsequent surgery. The
endosonographic tumor-node-metastasis (TNM) classification was used for comparison
with the histopathologic findings of the resected specimens. The ability of EUS to
accurately predict the T stage (depth of tumor invasion) and N stage (involvement
of lymph node) was 70% and 65%, respectively. EUS dis- played a tendency to overestimate
T stage and underestimate N stage. The differentiation of early gastric cancer from
advanced gastric cancer showed a concordance rate of 89% with an overestimation rate
of 8% and underestimation rate of 3%. The accuracy of EUS in predicting the stage
T1 to T3, which correspond to D0 resectability (no macroscopic or microscopic tumor
remains), was 91%. In conclusion, these results revealed EUS as a valuable tool for
evaluating the local staging and resectability of gastric cancer. We suggest that
EUS should be introduced in the preoperative assessment of patients with gastric cancer.
Keywords
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Article info
Publication history
Accepted:
January 25,
1998
Received:
December 20,
1997
Identification
Copyright
© 1998 Elsevier Science Inc. Published by Elsevier Inc. All rights reserved.
