Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00464-005-0309-0
Title: Endoscopic ultrasonography for gastric cancer: Does it influence treatment?
Authors: Ganpathi, I.S. 
So, J.B.-Y. 
Ho, K.-Y. 
Keywords: Endoscopic ultrasonography
EUS
Gastric cancer
TNM staging
Issue Date: Apr-2006
Citation: Ganpathi, I.S., So, J.B.-Y., Ho, K.-Y. (2006-04). Endoscopic ultrasonography for gastric cancer: Does it influence treatment?. Surgical Endoscopy and Other Interventional Techniques 20 (4) : 559-562. ScholarBank@NUS Repository. https://doi.org/10.1007/s00464-005-0309-0
Abstract: Background: This study aimed to evaluate the utility and shortcomings of endoscopic ultrasound (EUS) in tumor node metastasis (TNM) staging of gastric cancer and its influence on treatment. Methods: The series included 126 patients (65 men and 44 women) with gastric cancer who underwent EUS from July 1997 to June 2003 at the National University Hospital, Singapore. The final analysis included 109 patients ranging in age from 29 to 97 years (mean, 63.13 years). Results: EUS staging for primary disease: Specimen histology was available for 102 of the 109 patients who underwent surgery. The accuracy was 79% for T1, 73.9% for T2, 85.7% for T3, and 72.7% for T4. The overall accuracy was 80.4%. EUS staging for nodes: The sensitivity of EUS for detecting nodal disease was 74.2% for NO, 78% for N1, 53.8% for N2, and 50% for N3. Overall, the N staging by EUS showed a sensitivity of 82.8%, a specificity of 74.2%, a positive predictive value of 85.4%, a negative predictive value of 70.2%, and an accuracy of 77.7%. Radical gastrectomy was proposed for 95 patients on the basis of the staging with EUS and computed tomography (CT) scan, and 87 patients (91.6%) underwent the surgery. Preoperative staging accurately predicted the operative strategy for 89% of the patients. No significant predictor for accuracy was achieved by performing a logistic regression analysis for the correct staging of T stage using EUS and adjusting for tumor location (middle part/distal third/whole stomach vs proximal/cardioesophageal) (p = 0.873), operator (p = 0.546), and subject's sequence (initial 50 vs last 50 cases) (p = 0.06). Conclusion: Ultrasound is the most accurate and reliable method for the preoperative staging of gastric carcinomas, and it is mandatory if a tailored therapeutic approach is planned according to stage. © Springer Science+Business Media, Inc. 2006.
Source Title: Surgical Endoscopy and Other Interventional Techniques
URI: http://scholarbank.nus.edu.sg/handle/10635/129778
ISSN: 09302794
DOI: 10.1007/s00464-005-0309-0
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