Table 1 Overview of the uncertainty values for the middle-sized lesion
From: Comparison of a 3D CZT and conventional SPECT/CT system for quantitative Lu-177 SPECT imaging
Symbia | Veriton | |
|---|---|---|
Voxel size (cm) | 0.479 | 0.246 |
Spatial resolution in FWHM (mm) | 14.80 | 13.60 |
Volume of lesion on CT (mL) | 14.56 | 13.84 |
u(V)/V (%) | 83.2 | 86.1 |
S-value | 0.00556 | 0.00585 |
u(S)/S (%) | 83.0 | 89.9 |
\(u(C_{ref})/C_{ref}\) (%) | 4.35 | 2.99 |
\(u(A_{cal})/A_{cal}\) (%) | 5.0 | 5.0 |
u(Q)/Q (%) | 6.6 | 5.8 |
u( R)/R (%) | 8.2 | 6.9 |
u(R )/R (u(V) included) (%) | 20.1 | 16.9 |
u(A)/A (%) | 18.9 | 17.6 |
Dose (Gy) | 15.95 | 20.40 |
u(D)/D (%) | 68.2 | 75.30 |
Dose range (Gy) | [5.08, 26.82] | [5.04, 35.76] |