Table 2 Preprocessing biases between the nominal and CT image inputs are summarized for organ volume calculations and interpolation methodologies
From: Standardizing SPECT/CT dosimetry following radioembolization with yttrium-90 microspheres
Patient | Volume bias (%) | Quadratic chi-histogram (Distance) | ||||
|---|---|---|---|---|---|---|
Liver | Lung | Nearest neighbor | Bilinear | Biquadratic spline | Bicubic spline | |
Patient 1 | 0.229 | 1.324 | \(\hbox {1.350}e10^{-5}\) | \(\hbox {3.677}e10^{-4}\) | \(\hbox {4.972}e10^{-3}\) | \(\hbox {5.275}e10^{-3}\) |
Patient 2 | 0.050 | 0.798 | \(\hbox {6.780}e10^{-5}\) | \(\hbox {1.728}e10^{-4}\) | \(\hbox {1.727}e10^{-3}\) | \(\hbox {1.863}e10^{-3}\) |
Patient 3 | 0.439 | 3.684 | \(\hbox {1.569}e10^{-5}\) | \(\hbox {3.340}e10^{-4}\) | \(\hbox {5.595}e10^{-3}\) | \(\hbox {5.917}e10^{-3}\) |
Patient 4 | 0.487 | 0.273 | \(\hbox {5.600}e10^{-5}\) | \(\hbox {2.080}e10^{-4}\) | \(\hbox {3.115}e10^{-3}\) | \(\hbox {3.316}e10^{-3}\) |
Patient 5 | 0.675 | 0.895 | \(\hbox {1.081}e10^{-5}\) | \(\hbox {3.204}e10^{-4}\) | \(\hbox {5.314}e10^{-3}\) | \(\hbox {5.640}e10^{-3}\) |