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Retrograde Urography

Routine images for Retrograde Urography procedures AP Scout, AP Pyelogram, AP Ureterogram
Center point for AP Scout L-3
Possible body (table) position for Pyelogram Head of table lowered 10-15 deg (to prevent contrast from escaping into ureters)
Sometimes done to ensure complete filling of pelvicaliceal system Pressure maintained on syringe during pyelographic exposure
Possible body (table) position for Ureterogram Head of table elevated 35 to 40 deg (to demonstrate tortuosity of ureters & mobility of kidney)
mL contrast to fill normal renal pelvis 3 to 5 ml
Pt respiration for Pyelogram, and when performed Suspend on Expiration, after contrast injected thru catheters to fill renal pelves and calyces
Pt respiration for Ureterogram Deep breath in, then suspend on full Expiration
This is performed during breathing procedure and exposure of Ureterogram Catheters slowly withdrawn to lower ends of ureters as contrast is injected into canals
Possible additional projections RPO or LPO (AP Oblique), Lateral (on affected side), Ventral or Dorsal Decub Lateral
Reason for Lateral projection To show anterior displacement of a kidney or ureter & to delineate (outline) a perinephric abscess
Reason for Decub Lateral projection To show ureteropelvic region in pt w/ hydronephrosis
Body position for Retrograde Urography Modified lithotomy position, lower back must be in contact w/ table
Retrograde means... going against the natural flow
Indications for Retrograde Urography Eval of collecting system (in case of renal insufficiency) & for pt. w/ contrast allergy
Chance of allergic reaction Less than other procedures bc contrast is not introduced to circulatory system
Created by: kairis276