Objective To investigate the CT and MRI findings of mixed epithelial and stromal tumor of the kidney(MESTK)in order to improve the understanding of the disease.Methods The CT and MRI features of 7 patients with MESTK confirmed by pathology were analyzed retrospectively.Results There were a total of 8 lesions in 7 patients.3 le-sions were cystic and solid masses with more cystic components;The lesions were multicystic structures with or without wall nodules which showed hypointense on T2 WI;3 lesions were cystic and solid masses with more solid components which showed hypointense on T2WI partly and DWI;The lesion were multiple microcapsules and small cystic structures;2 lesions showed solid lesions with a small amount of fat in the larger one.Conclusion There were some imaging characteristics of MESTK which were helpful for preoperative diagnosis,differential diagnosis and selecting a more suitable surgical plan.
KidneyMixed epithelial and stromal tumorComputed tomographyMagnetic resonance imaging
NETL
NSTL
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