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2000
Volume 20, Issue 1
  • ISSN: 1573-4056
  • E-ISSN: 1875-6603
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Abstract

Background

Preoperative T-staging is essential for planning optimal treatment and care for colorectal cancer (CRC).

Objective

To evaluate the accuracy of Dual-energy CT (DECT) in preoperative T-staging of CRC.

Methods

The clinical data and DECT images of 37 patients with 39 CRC lesions were retrospectively analyzed. The performance of the DECT quantitative parameters in CRC T-staging was evaluated. Postoperative pathologic results were used as a gold standard. Receiver operating characteristic curves were used to assess the diagnostic efficacy of DECT parameters. < 0.05 was deemed significant.

Results

The overall accuracy of T-staging by DECT was 76.9%. The DECT parameters were significantly different between the T3 pericolic fat stranding, T4a pericolic fat stranding, and normal pericolic fat stranding. Arterial phase λ had the best diagnostic performance with a cut-off value of ≥0.967, resulting in a 70.6% sensitivity and a 100% specificity in differentiating between T3 and T4a stages of CRC.

Conclusion

DECT has high accuracy in the T-staging of CRC. Arterial phase λ has the best diagnostic performance in differentiating between T3 and T4a stages of CRC.

© 2024 The Author(s). Published by Bentham Science Publisher.
This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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2024-01-01
2025-10-15

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Preoperative T-staging of Colorectal Cancer by Dual-energy Computed Tomography: A Retrospective Study
Curr. Med. Imaging 20, e15734056260218 (2024); https://doi.org/10.2174/0115734056260218231107111544
/content/journals/cmir/10.2174/0115734056260218231107111544
/content/journals/cmir/10.2174/0115734056260218231107111544
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  • Article Type:     Research Article
Keyword(s): Arteries; Colorectal cancer; Colorectal neoplasms; Computed tomography; Lymph nodes; Neoplasm staging

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