Lesions

n

%

Primary lesions

Bone fracture

176

29.4

Bone disjunction

4

0.7

Intracranial hematoma

135

22.6

・ Under dural

77

12.9

・ Extradural

39

6.5

・ Intraparenchymal

19

3.2

Brain contusion

89

14.9

Contusion and scalp hematoma

51

8.5

Intraventricular hemorrhage

41

6.9

Arachnoid hemorrhage

12

2.0

Diffuse axonal injury

7

1.2

Orbital lesion

11

1.8

Contusion

9

1.5

・ Burst

1

0.2

・ Hematoma

1

0.2

・ Retinal detachment

1

0.2

Secondary and associated lesions

Pneumoencephaly

22

3.7

Commitment

19

3.2

・ Sous-falcoriel

13

2.2

・ Tonsillus

6

1.0

Intracranial hypertension

21

3.5

Brain edema

13

2.2

Post-traumatic hydrocephalus

1

0.2