Prescribed activity | 74 MBq (2 mCi) of 131I, with a range of 69.2–81.4 MBq (1.87–2.2 mCi) | 62.9 MBq (1.7 mCi) |
Images obtained at… | 48 h after administration of 131I | 48 hours after administration of 124I |
Type of system | ADAC Genesys | GE Advance Nxi |
| Dual-head WB scanner | Emission scans, 5 min/bed position |
| Speed, 4 cm/min; 131I, 364 keV, 20% window | Transmission scans, 2.5 min/bed position |
| | Processing: reconstruction with ordered-subset expectation maximization (4.3-mm isotropic pixels) with segmented attenuation correction |
| Siemens E-cam | Philips Gemini time of flight 64 |
| Dual-head WB scanner | Emission scans, 4 min/bed position |
| Speed, 4 cm/min; 131I, 364 keV, 20% window | CT attenuation scans, 120 kV and 30 mAs |
| | Processing: reconstruction with ordered-subset expectation maximization time of flight with segmented attenuation correction using the CT data |
| Searle | |
| Single-head planar and pinhole scanner with an MIE computer | |
| Aperture, 6 mm; 1,200 s (20 min) duration; 131I, 364 keV, 20% window | |