Evans Index Audit
Radiological Volume Ratio
Radiological Entry
Imaging Anchor
The measurements should represent the maximum respective widths on the same axial slice where the frontal horns are most prominent.
Anatomic Sentinel Probe
Input the maximum widths of the frontal horns and the internal skull diameter from axial brain imaging to calculate the linear Evans Index.
Guidelines & Evidence
Verified
Last Review: 2026
Last Comprehensive Review: 2026
