Double kidney B ultrasound to hold urine?

Double kidney B ultrasound examination, normally need to hold urine examination. Urinary system examination under the condition of holding urine can make the mucosa relaxation, easy to find mucosal shrinkage when difficult to find space-occupying disease or stone disease. Therefore, before the urinary system B ultrasound examination, appropriate urine holding liquid is conducive to the examination, making the examination results more accurate. However, under special circumstances, it is also possible to check without holding urine. For example, if the ureter stent is retained in the body after kidney surgery, it is possible to check without holding urine. After holding urine, it may cause urine reflux from the bladder to the ureter and kidney, and then cause infection, low back pain and other manifestations. In this case, it is possible to check without holding urine. However, if routine physical examination is performed, it is recommended to check urine, which is relatively accurate. Urinary system B ultrasound includes double kidney, ureter, bladder, prostate, B ultrasound numerical measurement can know whether there are stones and space-occupying lesions, urine holding state can make bladder mucosa and ureter mucosa completely stretch, easy to find hidden space-occupying lesions.