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Computed tomographic enterography (CTE) in evaluating bowel involvement in patients with ovarian cancer

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Abstract

Purpose

To explore the utility of CTE in the evaluation of bowel invasion in patients with primary ovarian, fallopian tube, and peritoneal cancer.

Methods

This observational study included 73 patients who received CTE before operation between September 2019 and December 2021. Two radiologists reviewed CTE images, focusing on the sites and depth of bowel involvement. Based on the findings during surgical exploration, we evaluated the diagnostic power, like sensitivity, specificity, accuracy, positive predictive value (PPV), negative predictive value (NPV), positive likelihood ratio (+ LR), and negative likelihood ratio (– LR) of CTE. Additionally, the characteristic images of bowel involvement on CTE corresponding to surgical findings were shown in the study.

Results

The rate of macroscopic bowel invasion in this cohort was 49.31% (36/73), of which eight patients had small bowel involvement, 17 patients had colon involvement and 27 patients had sigmoid-rectum involvement. CTE detected bowel invasion in the small intestine with a sensitivity, specificity, PPV, NPV, and accuracy of 87.50%, 92.31%, 58.33%, 98.36%, 91.78%; for colon, the statistics were 58.82%, 96.43%, 83.33%, 88.52%, 87.67% and for sigmoid-rectum 62.96%, 82.61%, 68.00%, 79.17%, 75.34%, respectively.

Conclusion

CTE appeared a preferable diagnostic power on the small bowel and colon invasion in patients with primary ovarian, fallopian tube, and peritoneal cancer.

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Authors and Affiliations

  1. Department of Obstetrics and Gynecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China

    Xiao-Mei Zhang, Yue-Xi Liu, Ruo-Nan Li & Hua Linghu

  2. Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China

    Xin-Yu Zhang & Yong-Mei Li

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  1. Xiao-Mei Zhang
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Zhang, XM., Zhang, XY., Liu, YX. et al. Computed tomographic enterography (CTE) in evaluating bowel involvement in patients with ovarian cancer. Abdom Radiol 47, 2023–2035 (2022). https://doi.org/10.1007/s00261-022-03497-2

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