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Abdominal Imaging

, Volume 37, Issue 4, pp 531–540 | Cite as

Gastric cancer: Imaging and staging with MDCT based on the 7th AJCC guidelines

  • Mi Hee Lee
  • Dongil Choi
  • Min Jung Park
  • Min Woo Lee
Article

Abstract

Gastric cancer is a common deadly cancer worldwide. The tumor-node-metastasis (TNM) staging system is one of the most commonly used staging systems, and is accepted and maintained by the International Union against Cancer (UICC) and the American Joint Committee on Cancer (AJCC). The TNM system is well known to effectively predict the prognosis of gastric cancer patients. The latest revision of TNM staging was presented in the 7th edition of the AJCC in 2009. Multi-detector row CT (MDCT) is a powerful test for non-invasive evaluation and can assess metastatic and locoregional staging simultaneously. Current MDCT with isotropic imaging and 3D images has increased the accuracy of T and N staging in patients with gastric cancer. Multi-planar reformatted images permit the radiologist to select the optimal imaging plane to accurately evaluate tumor invasion depth of the gastric wall and perigastric infiltration to identify a fat plane between a tumor and adjacent organs, to avoid partial volume averaging effects, and to differentiate lymph nodes from small perigastric vessels. Thus, MDCT provides a useful all-in-one diagnostic method for the pre-operative evaluation of patients with known, or strongly suspected, gastric cancer according to the 7th AJCC TNM staging system.

Keywords

Gastric cancer 7th AJCC TNM stage MDCT 

Notes

Acknowledgement

This study was supported by the Samsung Biomedical Research Institute grant, #SBRI C-A9-241-1.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Mi Hee Lee
    • 1
  • Dongil Choi
    • 1
  • Min Jung Park
    • 1
  • Min Woo Lee
    • 1
  1. 1.Department of Radiology and Center for Imaging Science, Samsung Medical CenterSungkyunkwan University School of MedicineSeoulRepublic of Korea

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