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Indirect radionuclide cystography demonstrates reflux under physiological conditions.
A M Peters1, S Morony, I Gordon
1Department of Paediatric Radiology, Hospital for Sick Children, London.
Clinical Radiology
|January 1, 1990
Summary
Indirect radionuclide cystography (IRC) detects vesico-ureteric reflux (VUR) under physiological conditions. This study highlights uretero-ureteric reflux, often missed and mistaken for VUR, visible only with IRC.
Area of Science:
- Pediatric Urology
- Diagnostic Imaging
- Radiology
Background:
- Vesico-ureteric reflux (VUR) is a common condition in children.
- Indirect radionuclide cystography (IRC) and micturating contrast cysto-urethrography (MCU) are diagnostic methods for VUR.
- IRC offers the advantage of visualizing VUR under physiological conditions.
Observation:
- This case series reports on three children (ages 6-9 years) evaluated using IRC.
- Specific physiological features of micturition were observed during IRC.
- Uretero-ureteric reflux was identified as a significant finding in these cases.
Findings:
- Uretero-ureteric reflux, distinct from VUR, was observed in the pediatric patients.
- This specific type of reflux is often not identifiable on standard IRC or MCU due to bladder activity.
- The findings suggest uretero-ureteric reflux may be more prevalent than previously recognized.
Implications:
- IRC provides unique insights into physiological micturition dynamics.
- Improved identification of uretero-ureteric reflux can refine VUR diagnosis and management.
- This highlights the potential for misinterpretation of reflux patterns without advanced imaging techniques.