123I-MIBG Scintigraphy Imaging Parameters
| Parameter | Characteristic | Standard/preferred/optional |
|---|---|---|
| Camera type | Large–field-of-view γ-camera | Standard |
| Energy peak | 159 keV | Standard |
| Energy window | 20% | Standard |
| Collimator | Low-energy, high resolution, parallel hole | Standard |
| Patient position | Supine | Standard |
| Field of view | Heart/chest | Standard |
| Injection-to-imaging time (delayed images) | Late images at 3 h 50 min | Standard |
| Planar | Standard | |
| Acquisition type | Static | Standard |
| Detector configuration | 180° | Standard |
| Views | Anterior and lateral | Standard |
| Number of views | 2 | Standard |
| Counts/time per view | 10 min per image | Standard |
| Matrix | 256 × 256 (minimum 128 × 128) | Standard |
| Magnification | Zoom = 1 | Standard |
| SPECT or SPECT/CT | Optional | |
| Acquisition type | Step and shoot | Optional |
| Patient position | Supine | Optional |
| Orbit | 360° | Optional |
| Matrix | 128 × 128 | Optional |
| Magnification | Zoom = 1 | Optional |
| Pixel size | Per camera settings | Optional |
| Projections per detector | 120 steps (60 steps/detector) | Optional |
| Time per projection | 30 s per step | Optional |
| CT attenuation correction | Standard attenuation correction | Optional |
| CT parameters | 120 kV, 25 mA, pitch = 1.25 | Optional |
| CT parameters | Slice thickness, 2.5 mm; 1 s/rotation | Optional |