Multidimensional analysis of accuracy of CTU, contrast-enhanced MRI and CEUS in qualitative diagnosis of renal space-occupying lesions
10.3969/j.issn.1009-8291.2025.01.010
- VernacularTitle:CTU、增强MRI和CEUS在肾占位病变定性诊断中准确率的多维度分析
- Author:
Linjie WU
1
;
Ying YU
1
;
Xiaojie BAI
1
;
Zihao QI
1
;
Hang ZHENG
1
;
Zhongqiang GUO
1
Author Information
1. Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
- Publication Type:Journal Article
- Keywords:
computed tomography urography;
magnetic resonance imaging;
contrast-enhanced ultrasound;
renal space-occupying lesions;
qualitative diagnosis
- From:
Journal of Modern Urology
2025;30(1):48-52
- CountryChina
- Language:Chinese
-
Abstract:
[Objective] To compare the diagnostic accuracy of three imaging modalities, inlducing CT urography (CTU), contrast-enhanced MRI (CE-MRI), and contrast-enhanced ultrasound (CEUS) in the qualitative diagnosis of renal space-occupying lesions. [Methods] A retrospective analysis was performed on 542 patients with renal lesions confirmed by surgical pathology in our hospital during Jan.2019 and May 2024.The diagnostic results of CTU, CE-MRI and CEUS were compared and analyzed based on the patients' clinical and pathological data. [Results] The diagnostic accuracy rate of CTU, CE-MRI and CEUS were 84.50%, 83.14% and 86.14%, respectively.For the 161 patients who underwent all three examinations, CEUS was significantly more accurate than CTU (84.16% vs. 77.02%, P=0.018), while there was no significant difference between CTU or CEUS and CE-MRI (79.81%) (P>0.05). Further analysis found that for lesions ≤4 cm, the accuracy of the three examinations was as follows: CEUS=CTU 79.55%, CE-MRI 76.14%, with no significant difference (P>0.05). However, for lesions >4 cm, CEUS ranked the first, followed by CE-MRI and CTU (89.73% vs. 84.25% vs. 73.97%), and CEUS and CE-MRI were better than CTU (P<0.05). Additionally, for the diagnosis of clear cell renal carcinoma and benign renal space-occupying lesions, there was no statistically significant difference among the three imaging modalities (P>0.05), while for the qualitative diagnosis of non-clear cell renal carcinoma, CEUS ranked the first, followed by CE-MRI and CTU (83.87% vs. 74.19% vs. 56.45%), and CE-MRI and CEUS were better than CTU (P<0.05). [Conclusion] All of them have important diagnostic value, and the appropriate selection should be based on patients' specifc conditions.CEUS and CE-MRI are more accurate in the qualitative diagnosis of renal space-occupying lesions than CTU, especially for large lesions and non-clear cell carcinoma.
