Research Article
X-Ray-Based 3D Histopathology of the Kidney Using Cryogenic Contrast-Enhanced MicroCT
Table 1
MicroCT acquisition parameters.
| Acquisition parameters | Overview | Central zoom | Cortical zoom | Upper pole (TRAKI) |
| MicroCT system | GE Nanotom M | GE Nanotom M | UniTOM HR | GE Nanotom M | Voxel size (m) | 8 | 3 | 1.5 | 2 | Tube voltage (kV) | 60/80 | 80 | 80 | 90 | Tube power (W) | — | — | 3 | — | Tube current (A) | 250 | 155 | — | 90 | Nr. of projections | 1200 | 2400 | 2800 | 2100 | Exposure time (ms) | 500 | 500 | 500 | 750 | Average | 1 | 2 | 4 | 2 | Skip | — | 1 | — | 1 | Acquisition time (min) | 10 | 60 | 105 | 80 | Source-detector-distance (mm) | 500 | 333 | 495 | 450 | Source-sample-distance (mm) | 40 | 10 | 15 | 9 | CECT or cryo-CECT | Both | Both | Cryo-CECT | Cryo-CECT | Grey value normalization | Yes | No | No | No |
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Corresponds to tube voltage (60 kV) used for the image acquisition of unstained kidney. |