The Keros classification is used for the radiological classification of the olfactory groove in relation to the lateral frontal base based on coronal section images.
Historical
The Keros classification was described in 1962 by the Croatian doctor Predrag Keros[^1].
Classification
Grade | Description |
Grade 1 | 1–3 mm |
Grade 2 | 4–7 mm |
Grade 3 | 8–16 mm |