Table 2.
Suggested order of review for CT scans of the head
| Order | Window setting | Structures to examine |
|---|---|---|
| 1 | Soft tissue | Scalp, upper neck and orbital soft tissues (if included) |
| 2 | Bone | Calvarium, skull base, paranasal sinuses, mastoids, external/middle/inner ears |
| 3 | Brain | Extra-axial CSF spaces (sulci/basal cisterns) and potential spaces (subdural/extradural) |
| 4 | Brain | Cerebral hemispheres, deep grey nuclei, cerebellum, brainstem |
| 5 | Brain | Ventricles (lateral/third/fourth) |