Methods Thirteen cases with cystic renal carcinoma confirmed by operation and pathology were examined by ultrasonography, and the cystic walls, septums and solid mural nodules of them were studied.

• 方法对13例经手术和病理证实的囊性肾癌患者进行超声检查，并对其囊壁、分隔及壁上的实性结节进行研究。