From: Accuracy and reproducibility of simplified QSPECT dosimetry for personalized 177Lu-octreotate PRRT
Absorbed dose (Gy) | Correlation vs. 3TP (r)a | Relative error vs. 3TP (%) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
3TP | 2TP/1TPD1 | 2TP/1TPD3 | 2TP/NI | 2TP/1TPD1 | 2TP/1TPD3 | 2TP/NI | 2TP/1TPD1 | 2TP/1TPD3 | 2TP/NI | |
Kidney | 4.8 [2.9–6.6] (1.6–8.7) | 5.1 [3.0–7.1] (1.8–11.3) | 4.9 [3.0–6.9] (1.7–9.2) | 4.7 [2.7–7.3] (1.1–10.5) | 0.887 | 0.985 | 0.807 | 3.4 [− 9.5–26.8] (− 38.3–86.3) | 2.2 [− 2.0–7.4] (− 17.9–32.1) | 0.6 [− 23.5–27.8] (− 60.2–106.3) |
Bone marrowself | 0.29 [0.14–0.65] (0.06–3.84) | 0.22 [0.11–0.73] (0.06–2.33) | 0.24 [0.13–0.64] (0.06–2.83) | 0.24 [0.10–0.65] (0.04–3.85) | 0.733 | 0.939 | 0.707 | −7.0 [− 56.6–76.3] (− 73.9–155.8) | −7.2 [− 33.2–22.4] (− 44.2–51.0) | −13.8 [− 56.0–65.3] (− 93.8–370.9) |
Bone marrowcross | 0.023 [0.011–0.052] (0.005–0.100) | 0.022 [0.011–0.054] (0.003–0.113) | 0.021 [0.010–0.050] (0.004–0.107) | 0.022 [0.010–0.060] (0.003–0.141) | 0.966 | 0.991 | 0.907 | −2.2 [− 21.2–14.9] (− 55.1–66.4) | −4.2 [− 15.7–2.7] (− 37.3–22.6) | 1.3 [− 35.7–40.8] (− 52.5–113.0) |
Tumormaxb | 29.7 [6.2–65.9] (1.7–120.0) | 32.8 [7.0–66.6] (1.5–104.5) | 31.2 [6.2–66.8] (1.9–102.1) | 45.6 [9.9–113.9] (3.2–235.1) | 0.946 | 0.980 | 0.713 | 3.6 [− 20.4–39.0] (− 46.7–141.8) | 2.3 [− 11.5–21.6] (− 30.2–65.3) | 31.0 [− 13.0–192.5] (− 49.9–6171.7) |