Tissue | CT Number (HU) |
Bone | +1000 |
Liver | 40 - 60 |
Whiter mater | −20 to −30 |
Grey mater | −37 to −45 |
Blood | 40 |
Muscle | 10 - 40 |
Kidney | 30 |
CSF | 15 |
Water | 0 |
Fat | −50 to −100 |
Air | −1000 |