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Gastric cancer staging at isotropic MDCT including coronal and sagittal MPR images: endoscopically diagnosed early vs. advanced gastric cancer

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Abstract

Background

The aims of this study are to evaluate and compare the accuracies of isotropic multi-detector row CT (MDCT) including multiplanar reconstruction (MPR) images for preoperative staging of endoscopically diagnosed early gastric cancer (eEGC) and advanced gastric cancer (eAGC).

Methods

One hundred and five patients with endoscopically proven gastric cancer underwent isotropic MDCT. Three independent radiologists evaluated T and N staging both on transverse images only and on three orthogonal MPR images. The staging of each tumor was surgico-pathologically confirmed. The receiver operating characteristic (ROC) analysis and the Wilcoxon signed ranked test were used for statistical analyses.

Results

In 30 eAGCs, the accuracies for T and N staging with MPR imaging were better than those with transverse imaging (each P < 0.05). In 34 eEGCs, however, only the accuracy of T2 or higher with MPR imaging was higher than that with transverse imaging (P < 0.05).

Conclusions

Isotropic MDCT with MPR images including coronal or sagittal reconstructions can improve the accuracies of preoperative T and N staging of eAGC, while having little impact on the accuracy for eEGC.

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Authors and Affiliations

  1. Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon-dong, Kangnam-Ku, Seoul, 135-710, Republic of Korea

    Yoo Na Kim, Dongil Choi, Seong Hyun Kim, Min Ju Kim, Soon Jin Lee & Won Jae Lee

  2. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon-dong, Kangnam-Ku, Seoul, 135-710, Republic of Korea

    Sung Kim

  3. Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon-dong, Kangnam-Ku, Seoul, 135-710, Republic of Korea

    Jae J. Kim

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  1. Yoo Na Kim
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  2. Dongil Choi
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  3. Seong Hyun Kim
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  4. Min Ju Kim
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  5. Soon Jin Lee
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  6. Won Jae Lee
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  7. Sung Kim
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  8. Jae J. Kim
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Correspondence to Dongil Choi.

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Kim, Y.N., Choi, D., Kim, S.H. et al. Gastric cancer staging at isotropic MDCT including coronal and sagittal MPR images: endoscopically diagnosed early vs. advanced gastric cancer. Abdom Imaging 34, 26–34 (2009). https://doi.org/10.1007/s00261-008-9380-z

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  • DOI: https://doi.org/10.1007/s00261-008-9380-z

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