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• DCE-MRI Quantitative Technique Subject •
The value of quantitative dynamic contrast enhanced MRI in differential diagnosis of renal clear cell carcinoma and renal angiomyolipomas with minimal fat
MIAO Yan-ping  GAO Yang  CAO Peng 

DOI:10.3969/j.issn.1674-8034.2015.08.008.


[Abstract] Objective: To explore the differential diagnosis value of quantitative dynamic contrast-enhanced MRI(DCE-MRI) of renal clear cell carcinoma and renal angiomyolipomas with minimal fat.Materials and Methods: Twenty-six cases with renal clear cell carcinoma, twelve cases with renal angiomyolipomas with minimal fat confirmed by operation, underwent the examination of MRI conventional scanning, and DCE-MRI. ROI were drawn to record the quantitative parameters average values of Ktrans, Kep, Ve. Results were statistically treated with SPSS 13.0.Results: Twenty-six cases with renal clear cell carcinoma showed obvious enhancement in the early phase of DCE-MRI. The Ktrans, Kep, Ve average value of renal cell carcinoma was (0.625±0.313) min-1, (1.764±1.105) min-1, (-0.341±0.207), and the Ktrans, Kep, Ve average value of renal angiomyolipomas with minimal fat was (0.061±0.023) min-1, (0.916±0.313) min-1, (-0.146±0.074). Ktrans value was statistically significant in the differences between renal cell carcinoma and renal angiomyolipomas with minimal fat. t value 4.063, P<0.05. Kep, Ve value were not statistically significant in the differences between renal cell carcinoma and renal angiomyolipomas with minimal fat, t value 2.153, 0.5, P>0.05.Conclusion: Quantitative DCE-MRI could differentiate renal clear cell carcinoma from renal angiomyolipomas with minimal fat.
[Keywords] Kidney neoplasms；Magnetic resonance imaging；Dynamic enhancement；Leiomyoma；Lipoma

MIAO Yan-ping Department of Magnetic Resonance Image, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia Huhhot 010050, China

GAO Yang* Department of Magnetic Resonance Image, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia Huhhot 010050, China

CAO Peng General Electric Medical Group, Shanghai 201203, China

*Corresponding author: Gao Y, E-mail: 1390903990@qq.com

Conflicts of interest   None.

Received  2015-05-09
Accepted  2015-06-21
DOI: 10.3969/j.issn.1674-8034.2015.08.008
DOI:10.3969/j.issn.1674-8034.2015.08.008.

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