Adams DAI grades
Diffuse Axonal Injury
Grade I
involves grey-white matter interfaces- most commonly : parasagittal regions of frontal lobes, periventricular temporal lobes
- less commonly : parietal and occipital lobes, internal and external capsules, and cerebellum
- often inapparent on conventional imaging
- may have changes on Magnetic Resonance Spectroscopy
Grade II
involves corpus callosum in addition to stage I locations- observed in approximately 20% of patients
- most commonly : posterior body and splenium but does advance anteriorly with increasing severity of injury
- most frequently unilateral
- may be seen on Susceptibility Weighted Imaging
Grade III
involves brainstem in addition to stage I and II locations- most commonly : rostral midbrain, superior cerebellar peduncles, medial lemnisci and corticospinal tracts
Reference
http://radiopaedia.org/articles/grading-of-diffuse-axonal-injurySupported by:
