Preoperative Tumor Staging of Gastric Cancer: Comparison of Double Contrast‐Enhanced Ultrasound and Multidetector Computed Tomography

Abstract Purpose To compare the diagnostic performance of double contrast-enhanced ultrasound (DCEUS) and multi-detector row computed tomography (MDCT) in the gross classification of gastric cancer (GC) preoperatively. Methods 54 patients with GC proved by histology were included in this study. The sensitivity and specificity of DCEUS and MDCT for gross classification were calculated and compared. The area under the curve (AUC) from a receiver operating characteristic curve analysis was used to evaluate the difference of the diagnostic performance between these two methods.Results There were no significant differences between DCEUS and MDCT in terms of AUC values for early gastric cancer (EGC) and Borrmann Ⅰ-Ⅲ (P = 0.248, 0.317, 0.717 and 0.464, respectively). However, the sensitivities of DCEUS for EGC, Borrmann Ⅰ and Borrmann Ⅲ were higher than those of MDCT (75% versus 62%; 100% versus 50%; 90% versus 73%). The specificity of DCEUS for Borrmann Ⅲ was lower than that of MDCT (50% versus 75%). The AUC value of MDCT for Borrmann Ⅳ was significantly higher than that of DCEUS (0.927 versus 0.625; P=0.001). The accuracy and specificity of DCEUS and MDCT for Borrmann Ⅳ were similar, but the sensitivity of MDCT was significantly higher than that of DCEUS (88% versus 25%).Conclusion DCEUS may be considered as a useful complementary imaging modality to MDCT for the evaluation of the gross classification of GC preoperatively.

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Preoperative locoregional staging of gastric cancer: is there a place for magnetic resonance imaging? Prospective comparison with EUS and multidetector computed tomography

Gastric Cancer ◽

10.1007/s10120-015-0468-1 ◽

2015 ◽

Vol 19 (1) ◽

pp. 216-225 ◽

Cited By ~ 16

Author(s):

Francesco Giganti ◽

Elena Orsenigo ◽

Paolo Giorgio Arcidiacono ◽

Roberto Nicoletti ◽

Luca Albarello ◽

...

Keyword(s):

Magnetic Resonance Imaging ◽

Gastric Cancer ◽

Computed Tomography ◽

Magnetic Resonance ◽

Multidetector Computed Tomography ◽

Resonance Imaging ◽

Prospective Comparison ◽

Staging Of Gastric Cancer ◽

Locoregional Staging

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Computed tomography with a stomach protocol and virtual gastroscopy in the staging of gastric cancer: an initial experience

Radiologia Brasileira ◽

10.1590/0100-3984.2017.0097 ◽

2018 ◽

Vol 51 (4) ◽

pp. 211-217 ◽

Cited By ~ 2

Author(s):

Maria Fernanda Arruda Almeida ◽

Leonardo Verza ◽

Almir Galvão Vieira Bitencourt ◽

Camila Silva Boaventura ◽

Paula Nicole Vieira Pinto Barbosa ◽

...

Keyword(s):

Gastric Cancer ◽

Computed Tomography ◽

Lymph Node ◽

Lymph Nodes ◽

Multidetector Computed Tomography ◽

Gastric Adenocarcinoma ◽

Preoperative Staging ◽

Lymph Node Staging ◽

Virtual Gastroscopy ◽

Staging Of Gastric Cancer

Abstract Objective: To evaluate the accuracy of multidetector computed tomography with a stomach protocol in staging of gastric cancer. Materials and Methods: We evaluated 14 patients who underwent computed tomography in a 16-channel scanner for preoperative staging of gastric adenocarcinoma between September 2015 and December 2016. All images were analyzed by the same radiologist, who had extensive experience in abdominal cancer imaging. The sensitivity, specificity, and accuracy of the method were calculated by comparing it with the pathology result. All patients underwent partial or total gastrectomy. Results: The mean age was 61.5 years, and 53.8% of the patients were male. The gastric lesions were classified as T1/T2 in 35.7% of the cases, as T3 in 28.5%, and as T4 in 35.7%. Eleven patients (68.7%) had suspicious (N positive) lymph nodes. The accuracy of the T1/T2, T3, T4, and lymph node staging tests was 85%, 78%, 90%, and 78%, respectively. The respective sensitivity and specificity values were 71% and 100% for T1/T2, 66% and 81% for T3, 100% and 90% for T4, and 88% and 60% for lymph nodes. Conclusion: Multidetector computed tomography with a stomach protocol, used in conjunction with virtual gastroscopy, shows good accuracy in the tumor and lymph node staging of gastric adenocarcinoma.

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