Ureter color Doppler ultrasound to hold urine?

Ureter color Doppler ultrasound examination is to hold urine, the whole urinary system color Doppler ultrasound examination is recommended to hold urine, the patient in the urology clinic, the doctor prescribed urinary system color Doppler ultrasound examination, the patient can drink more water, hold urine, and then go to the color Doppler ultrasound room waiting for medical examination, because the urinary system color Doppler ultrasound examination is mainly to judge whether there are lesions in the kidney, ureter, bladder and male prostate, especially bladder examination, need to hold urine to fill the bladder, It is more conducive to B ultrasound for accurate examination, to determine whether there are stones and space-occupying lesions in the bladder. Ureter can be seen more clearly after urine retention examination, to determine whether there are stones in the ureter. If color Doppler examination is not clear, patients can undergo CT examination of the urinary system.