Limitations and Pitfalls in Performing and Assessing Diuretic Renography
| Source | Limitation/pitfall |
|---|---|
| Patient | Hydration status |
| Bladder emptying | |
| Renal function insufficiency | |
| Acquisition | Patient position, movements |
| Radiopharmaceutical | |
| Timing of furosemide administration | |
| Change of position, postvoiding/late images | |
| Processing | Regions of interest, background subtraction |
| Quantitative parameters used to assess urinary drainage | |
| Renal function measurement | |
| Reporting | Parenchymal aspect and renal function |
| Response to furosemide, change of position and voiding | |
| Level of urinary drainage impairment |