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Histopathological classification of DAI
| Grade | Histopathological findings |
|---|---|
| 1 | Evidence of axonal injury in the white matter of the cerebral hemispheres |
| 2 | Grade 1 + focal lesions in the corpus callosum |
| 3 | Grade 2 + focal lesions in the dorsolateral quadrant or rostral quadrants of the brainstem |
Source: Gennarelli et al. (1982)
