No invasion of subjacent renal sinus fat.
病灶没有侵犯邻近肾窦脂肪。
Methods:30 cases with complexity renal lithiasis were treated with an incision of the intrarenal sinus and postrenal low segment.
方法：采用肾窦内肾盂加肾后下段肾实质联合切开取石术治疗复杂性肾结石30例。
Objective: Purpose to improve understanding of the image manifestations of tumors of renal sinus.
目的：提高对原发性肾窦肿瘤的影像学认识。
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