Endoscopic Estimation of Tumor Size in Early Gastric Cancer View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2013-04-16

AUTHORS

Jeongmin Choi, Sang Gyun Kim, Jong Pil Im, Joo Sung Kim, Hyun Chae Jung

ABSTRACT

BackgroundAlthough the accurate estimation of tumor size is essential for proper patient selection for endoscopic resection in early gastric cancer (EGC), no study has been conducted to date on tumor size estimation. We aimed to evaluate the accuracy of endoscopic visual estimation of tumor size of EGC.MethodsIn 508 EGC patients that underwent endoscopic resection, endoscopic visual estimations were performed retrospectively by independent two endoscopists using still images. Data were compared with pathologic measurements as gold standard. Inter-observer agreement was determined using the Bland–Altman method and intra-class correlation coefficients (ICC). Measurement discrepancies were presented as differences between measurements.ResultsThe ICC between the two endoscopists was 0.915 (95 % CI 0.900–0.928). Mean endoscopic estimates for both endoscopists were significantly lower than mean pathologic measurements (1.50 and 1.67 vs. 1.80 cm, P < 0.001). Absolute differences between average endoscopic estimates and pathologic measurements were found to be acceptable in most cases: an absolute difference of <0.4 cm was found for 80 % (404/508) of cases. Bland–Altman plot showed that 94 % of cases lay within the 95 % limits of agreement. Measurement discrepancy was proportional to tumor size and increased for an undifferentiated histology.ConclusionsEndoscopic visual estimations were found to show reliable agreement with pathologic measurement in EGC patients undergoing endoscopic resection, together with good inter-observer agreement. Further prospective study is needed to confirm the validity of this method. More... »

PAGES

2329-2336

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10620-013-2644-7

DOI

http://dx.doi.org/10.1007/s10620-013-2644-7

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1025146707

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/23589139


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