Comparison of Techniques Between Present Study, EANM Guidelines, and Studies in Literature
| Variable | This study | EANM guidelines (10) | Goyal et al. (16) | Kuemmel et al. (14) |
|---|---|---|---|---|
| Radiotracer (99mTc-labeled) | ATC | Various radiopharmaceuticals | Colloidal albumin (99mTc-nanocolloid) | Unspecified radiocolloid |
| Dose (MBq) | 40 | 3.7–370 | Same-day, 20; 2-d, 40 | Maximum, 150 |
| Injection volume (mL) | 0.5 | Superficial, 0.05–0.5; deep, 0.5–1 | 2 | Variable across sites |
| Injection technique | Periareolar | Superficial or deep | Peritumoral | Periareolar, 1,045; peritumoral, 113 |
| No. of injections | 1 | Not specified | 4 | Variable across sites |
| Dynamic imaging? | Yes | Suggested but deemed uncommon | No | Variable across sites |
| Delayed imaging? | No | Suggested at 1 h and 2–4 h | Yes at 3 h | No |
ATC = 99mTc-antimony trisulfide colloid.