1　临床资料患者男性 ,2 5岁 ,轰 6飞行员 ,飞行时间 90 0h。来我院疗养期间查体 :右下腹压痛 ,无反跳痛 ,双肾未触及 ,双肾区无叩击痛。行B超检查发现 :左肾大小 :11 7cm× 5 2cm×8 2cm。右肾区未见肾图像 ,而在脐下平髂腰部水平探到右肾图像 ,大小 4 9cm× 6 5cm× 2 3 1 Clinical data Patients Male, 25 years old, H-6 pilots, flight time 90h. To our hospital during the physical examination: the right lower quadrant tenderness, no rebound tenderness, no contact with the kidneys, kidney area without percussion pain. Line B-ultrasound found: left kidney size: 11 7cm × 5 2cm × 8 2cm. No kidney image was seen in the right kidney area, while the right kidney image was detected at the level of the iliac waist under the umbilicus with a size of 49 cm × 65 cm × 2 3