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Review
. 2023 Sep;48(9):2874-2887.
doi: 10.1007/s00261-023-03904-2. Epub 2023 Jun 5.

Radiologic T staging of colon cancer: renewed interest for clinical practice

Kevin J Chang  1 , David H Kim  2 , Tasneem K Lalani  3 , Viktoriya Paroder  4 , Perry J Pickhardt  2 , Hiram Shaish  5 , David D B Bates  4
Affiliations
Review

Radiologic T staging of colon cancer: renewed interest for clinical practice

Kevin J Chang et al. Abdom Radiol (NY). 2023 Sep.

Abstract

Radiologic imaging, especially MRI, has long been the mainstay for rectal cancer staging and patient selection for neoadjuvant therapy prior to surgical resection. In contrast, colonoscopy and CT have been the standard for colon cancer diagnosis and metastasis staging with T and N staging often performed at the time of surgical resection. With recent clinical trials exploring the expansion of the use of neoadjuvant therapy beyond the anorectum to the remainder of the colon, the current and future state of colon cancer treatment is evolving with a renewed interest in evaluating the role radiology may play in the primary T staging of colon cancer. The performance of CT, CT colonography, MRI, and FDG PET-CT for colon cancer staging will be reviewed. N staging will also be briefly discussed. It is expected that accurate radiologic T staging will significantly impact future clinical decisions regarding the neoadjuvant versus surgical management of colon cancer.

Keywords: CT colonography; Cancer staging; Colon cancer; Colorectal cancer; Computed tomography; MRI; PET-CT.

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