Standard Acquisition Parameters for Dynamic, Static, and Planar Imaging (1,2)
Category | Parameter |
Camera type | Large–field-of-view multidetector |
Energy peak | 140 keV |
Energy window | 20% |
Collimator | Low-energy high-resolution |
Patient position | |
Breast | Supine |
Melanoma | Supine or prone |
Camera position, dual-head | |
Detector 1 | Anterior |
Detector 2 | Posterior |
Camera position, single-head | Anterior |
Injection-to-scan time | |
Sulfur colloid | Immediate |
99mTc-tilmanocept | 15-min delay |
Acquisition type | Dynamic or planar |
Views | |
Breast | Immediate anterior images for ∼15–30 min; delayed anterior, oblique, or lateral images, as appropriate, for 3 h |
Melanoma | Immediate anterior or posterior images for ∼30–60 min; additional anterior, oblique, or lateral images, as appropriate, for 1 h |
Matrix | 128 × 128 or 256 × 256 |
Acquisition time | |
Dynamic: breast | 30 s/frame for 2–30 min |
Dynamic: melanoma | 30 s/frame for 30–60 min |
Planar | 5–10 min/view |
Additional views | 5–10 min/view |