A Pediatric Radiology textbook and Pediatric Radiology digital library
Ultrasound of the kidneys
Patient preparation: full bladder (clamp Foley)
Contrast used: none
Technique: position the patient in supine and then prone positions
Images to obtain: sagittal and transverse grayscale images of the kidneys in both supine and prone positions, sagittal and transverse images of the bladder
Looking for: renal length – symmetrical or not, collecting system – single or duplicated, hydronephrosis, hydroureter, vesicoureteral reflux, ureterocele, bladder stone, in patients with decreased urine output make sure to rule out renal vein thrombosis using spectral doppler