Pathogenesis16
16 Pathogenesis
PathogenesisoAcceleration-deceleration injuriesoImpact injuries（冲击伤）oPenetrating injuries（贯穿伤）17
17 Pathogenesis Acceleration-deceleration injuries Impact injuries（冲击伤） Penetrating injuries（贯穿伤）
Acceleration-deceleration injuryo Due to sudden acceleration or deceleration ofbrain.o Brain slosh (晃动) back and forth within the skulland impacts against intracranial bonyirregularities.o Causing contusions, subdural hematomas,diffuse axonal injury and the development ofsubcortical, pericentral, and posterolateral （后外侧)mesencephalic（中脑）hematomas.18
18 Acceleration-deceleration injury Due to sudden acceleration or deceleration of brain. Brain slosh（晃动） back and forth within the skull and impacts against intracranial bony irregularities. Causing contusions, subdural hematomas, diffuse axonal injury and the development of subcortical, pericentral, and posterolateral（后外侧） mesencephalic（中脑） hematomas
Continue...Center of massCenterofangularaccelerationFIGURE 324-2. Mechanism of angular acceleration:lnteractionof headandneck.19
19 Continue
Continue..鸡冠颜前窝anterior cranial fossacrista galli4intemal carotid a.喷球olfactorybulbF动眼神经oculomotor,n,啤束olfactorytract脑膜中动脉视神经middle meningeal a.optien.湘斗滑车神经infundibulumtrochlear n.一随中窝三叉神经middle cranial fossatrigeminal n.展神经-abducent n.否下神经面、前庭底蝎种经hypoglossal n.facial n. and vestibulocochlear n.舌明、速走神经乙状窦一glossopharyngeal n.and vagus n.sigmoid sinus刷神经颜后离一accessoryn.posterior cranial fossa小脑幕tentorium.ofcerebellum横突脊面transverse sinusspinal cord实汇上久状实confluence ofsinusessuperior sagittal sinusIntracranial bonyirregularities20
20 Continue. Intracranial bony irregularities