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Voiding Cystourethrogram
Aka: Voiding Cystourethrogram, Nuclear Cystogram, VCUG
- Types
- Standing Voiding Cystourethrogram (VCUG)
- Instill radiopaque contrast medium into Bladder
- Image Bladder and Kidneys while standing
- Image while Bladder fills and voids
- Nuclear Cystogram
- Instill radionuclide into Bladder
- Image Bladder and Kidney with gamma camera
- Less radiation and equivalent sensitivity to VCUG
- Less precise grading of reflux compared with VCUG
- Findings: Ureteral Reflux
- Grade I: Reflux into nondilated distal ureter
- Grade II: Reflux into upper collecting system
- Grade III: Reflux into dilated ureter
- Grade IV: Reflux into grossly dilated ureter
- Grade V: Massive Reflux, calyceal tortuosity