Using CT to Differentiate Between High-Grade and Low-Grade Bladder Cancer
Author Information
Author(s): Chen Li, Xu Lili, Zhang Xiaoxiao, Zhang Jiahui, Bai Xin, Peng Qianyu, Guo Erjia, Lu Xiaomei, Yu Shenghui, Jin Zhengyu, Zhang Gumuyang, Sun Hao
Primary Institution: Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
Hypothesis
This study aimed to investigate the diagnostic value of spectral parameters of dual-layer spectral detector computed tomography (DLCT) in distinguishing between low- and high-grade bladder cancer (BCa).
Conclusion
Using DLCT AEF could help distinguish high-grade from low-grade BCa.
Supporting Evidence
- The arterial enhancement fraction (AEF) was found to be the best predictor of high-grade tumors.
- Univariate analysis revealed significant differences in several spectral CT parameters.
- AEF demonstrated an area under the curve (AUC) of 0.924, indicating excellent diagnostic performance.
Takeaway
Doctors can use a special type of CT scan to tell if a bladder cancer is more serious or not, which helps them decide how to treat it.
Methodology
This single-center retrospective study included pathologically confirmed BCa patients who underwent preoperative contrast-enhanced DLCT, measuring various spectral CT parameters.
Potential Biases
Potential bias due to not all pathological sections being matched with imaging regions of interest.
Limitations
The study was limited by its small sample size and being a single-center study.
Participant Demographics
The study included 64 patients with a mean age of 64 years, consisting of 46 men and 18 women.
Statistical Information
P-Value
0.006
Confidence Interval
95% CI, 0.861–0.988
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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