Table 3.
Body CT protocols investigated in this study. The protocols were grouped into examination categories based on anatomical regions examined.
| Examination category | Image coverage | Clinical protocols |
|---|---|---|
| Chest-abdomen-pelvis | Start: 1 cm above lung apex | Chest abdomen pelvis—trauma |
| End: 1 cm below inferior ischium | ||
| Chest | Start: 1 cm above lung apex | Standard chest |
| End: 1 cm below lung base | Standard chest with contrast | |
| Pulmonary embolism | ||
| Chest trauma | ||
| Low-dose chest | ||
| Airway | ||
| Bronchiolitis obliterans | ||
| Bronchiectasis—inspiration | ||
| Bronchiectasis—expiration | ||
| Interstitial lung disease—inspiration (supine) | ||
| Interstitial lung disease—expiration (supine) | ||
| Follow up interstitial lung disease | ||
| Abdomen-pelvis | Start: 1 cm above superior liver | Abdomen pelvis |
| End: 1 cm below inferior ischium | Abdomen pelvis—acute | |
| Abdomen pelvis—trauma | ||
| Chest abdomen pelvis—abdomen-pelvis part | ||
| Colonography—supine scan | ||
| Small bowel | ||
| Valsalva abdomen pelvis | ||
| Abdomen | Start: 1 cm above superior liver | Cholangiocarcinoma—contrast enhanced phase |
| End: 1 cm below superior iliac crest | Hepatic resection—venous phase | |
| Pancreas—venous phase | ||
| Pelvis | Start: 1 cm above superior iliac crest | Cystogram |
| End: 1 cm below inferior ischium | ||
| Adrenal | Start: 1 cm above superior adrenals | Adrenal—precontrast phase |
| End: 1 cm below inferior adrenals | Adrenal—post-contrast phase | |
| Adrenal—delayed phase | ||
| Liver | Start: 1 cm above superior liver | Cholangiography |
| End: 1 cm below inferior liver | Cirrhosis—arterial phase | |
| Cirrhosis—venous phase | ||
| Cirrhosis—delayed phase | ||
| Dual liver—arterial phase | ||
| Dual liver—venous phase | ||
| Kidney | Start: 1 cm above superior kidney | Renal cell cancer—precontrast phase |
| End: 1 cm below inferior kidney | Renal CT angiography—noncontrast phase | |
| Renal CT angiography—arterial phase | ||
| Renal donor—noncontrast phase | ||
| Renal donor—arterial phase | ||
| Liver-to-kidney | Start: 1 cm above superior liver | Dual renal—nephrographic phase |
| End: 1 cm below inferior kidney | Renal cell cancer—arterial phase | |
| Renal cell cancer—venous phase | ||
| Kidney-to-bladder | Start: 1 cm above superior kidney | Dual renal—precontrast phase |
| End: 1 cm below inferior bladder | Dual renal—excretory phase | |
| Renal stone |