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• Clinical Article •
Clinical value of MRI in the diagnosis of multilocular cystic renal cell carcinoma and cystic nephroma
GE Xiaoxue  HAN Tingting  FAN Xiaoxue  YU Bing 

Cite this article as: Ge XX, Han TT, Fan XX, et al. Clinical value of MRI in the diagnosis of multilocular cystic renal cell carcinoma and cystic nephroma[J]. Chin J Magn Reson Imaging, 2021, 12(4): 30-34. DOI:10.12015/issn.1674-8034.2021.04.006.


[Abstract] Objective To analyze the clinical and MRI imaging features of multilocular cystic renal cell carcinoma (MCRCC) and cystic nephroma (CN) according to Bosniak classification version 2019, and to evaluate the diagnostic value. Materials andMethods MRI images of 24 MCRCC and 16 CN which were confirmed by pathologic examination from January 2015 to December 2020 were retrospectively reviewed. We performed χ2 test or independent t-test on the two groups of samples, used ROC curve to analyze their image characteristics, and graded the lesions according to Bosniak classification.Results Most cases of MCRCC showed protruding growth pattern and irregular thickening of cyst wall and septum, with thickness averaged (3.87±1.41) mm. Mural nodules were found in 12 cases with diameter averaged (8.47±1.31) mm. Obvious enhancement were found in cortical phase. The thickness of cyst wall and septum in CN lesions were thin and uniform, with the average of (2.17±0.63) mm. Mural nodule was seen in 3 case. We detected significant statistical differences between MCRCC and CN in the age, protruding growth pattern, septal and wall thickness and the sizes of mural nodules (P＜0.05). When the thickness of cyst wall and septum was more than 3.25 mm and the diameter of mural nodules was larger than 3.7 mm, they could be used as the best critical value for the diagnosis of MCRCC.Conclusions MRI is certain value in the diagnosis of MCRCC and CN. Especially the septal and wall thickness and the size of mural nodules are helpful to distinguish between MCRCC and CN.
[Keywords] multilocular cystic renal cell carcinoma；cystic nephroma；magnetic resonance imaging；bosniak classification

GE Xiaoxue   HAN Tingting   FAN Xiaoxue   YU Bing*  

Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, China

Yu B, E-mail: yubing@sj-hospital.org

Conflicts of interest   None.

This work was part of National Natural Science Foundation of China (No. 81871336).
Received  2020-11-20
Accepted  2021-01-27
DOI: 10.12015/issn.1674-8034.2021.04.006
Cite this article as: Ge XX, Han TT, Fan XX, et al. Clinical value of MRI in the diagnosis of multilocular cystic renal cell carcinoma and cystic nephroma[J]. Chin J Magn Reson Imaging, 2021, 12(4): 30-34. DOI:10.12015/issn.1674-8034.2021.04.006.

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