Hounsfield unit and gray-white matter ratio estimates in pediatric normal controls used in studies evaluating head computed tomography
Kie Honjo, Geraldine Goco, Eva Ta, Suzanne Laughlin, Anne-Marie Guerguerian · 2026
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Description
Kie Honjo and colleagues measured in 2026 normal values for head CT scans in children, for use in later studies of brain injury. Doctors use Hounsfield units and the gray-white matter ratio to judge swelling and oxygen injury, notably after cardiac arrest. Adult values are known, but child values must account for growth.
The team studied forty-two scans of children with no brain disease, split at age two. Younger children had lower values in several gray matter areas and lower ratios built from those areas. White matter values did not differ by age. The authors say age must shape how these ratios are read, and they call for tests of which formula best grades injury in children.
Catalog record
| CREATOR | Kie Honjo, Geraldine Goco, Eva Ta, Suzanne Laughlin, Anne-Marie Guerguerian |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 38 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |