1病历摘要男,57岁。主诉周身乏力0.5 a余,无腰痛、血尿等临床症状。超声检查示:右肾区未探及正常肾脏回声,可见一大小15.3cm×10.1 cm×8.0 cm的囊实混合回声,该回声边界清晰,轮廓不规则,内充满大小在1.2 cm×1.0 cm~5.3 cm×2.7 cm的囊状无回声,囊肿互相挤压,使囊肿失去光整的 1 medical record male, 57 years old. The main complaint of fatigue throughout the body more than 0.5 a, no back pain, hematuria and other clinical symptoms. Ultrasonography showed that the right kidney area was not detected and normal renal echo, showing a size of 15.3cm × 10.1cm × 8.0cm cystic mixed echo, the echo boundary is clear, the outline is irregular, filled with the size of 1.2 cm × 1.0 cm ~ 5.3 cm × 2.7 cm cystic anechoic, cyst squeeze each other, the cyst loss of finishing