TABLE I.
CT examination categories investigated in this study and the associated starting and ending anatomical landmarks of scan coverage.
| Simulated scan coverage | |||
|---|---|---|---|
| Examination category | Start (1 cm above) | End (1 cm below) | |
| Chest-abdomen-pelvis | Lung apex | Inferior ischium | |
| Chest | Lung apex | Lung base | |
| Abdomen-pelvis | Superior liver | Inferior ischium | |
| Abdomen | Superior liver | Superior iliac crest | |
| Body | Pelvis | Superior iliac crest | Inferior ischium |
| Adrenals | Superior adrenals | Inferior adrenals | |
| Liver | Superior liver | Inferior liver | |
| Kidneys | Superior kidney | Inferior kidney | |
| Liver-to-kidney | Superior liver | Inferior kidney | |
| Kidneys-to-bladder | Superior kidney | Inferior bladder | |
| Head | Vertex of skull | Scalp bottom | |
| Neurological | Neck | C1 | C7 |
| Head-and-neck | Vertex of skull | C7 | |