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本文报告11例因脑外伤致死的案例。肉眼观察10例有轻重不等的大脑皮质挫伤;10例有蛛网膜下腔出血;3例有脑干出血;1例有视丘下部出血。光镜及扫描电镜下见大脑皮质挫伤10例;其余挫伤,在距大脑皮质挫伤3cm的脑白质6例,视丘下部8例,丘脑、中脑各6例,桥脑5例,延髓4例,侧脑室壁8例及视神经4例。镜下检查挫伤远较肉眼为多。10例神经细胞有不同程度变性、坏死及缺血性病变。9例大脑及脑干轴索、髓鞘有不同程度断裂、变性、排列紊乱、崩解及坏死,其中7例轴索断端查见收缩球。作者对脑外伤死因及法医学鉴定应注意的问题作了简要的讨论。
This article reports 11 cases of death due to traumatic brain injury cases. Macroscopic observation of 10 cases of varying severity of cerebral cortex contusion; 10 cases of subarachnoid hemorrhage; 3 cases of brainstem hemorrhage; 1 case of hypothalamus hemorrhage. Light microscope and scanning electron microscope to see the cerebral cortex contusion in 10 cases; the other contusion, in the cerebral cortex contusion 3cm white matter in 6 cases, hypothalamus in 8 cases, 6 cases of thalamus, midbrain in 6 cases, pontine in 5 cases, medulla oblongata in 4 cases , Lateral ventricular wall in 8 cases and optic nerve in 4 cases. Microscopic examination of the contusion is much more than the naked eye. Ten cases of nerve cells have varying degrees of degeneration, necrosis and ischemic lesions. 9 cases of brain and brainstem axons, myelin fracture, degeneration, disorganization, disintegration and necrosis, of which 7 cases of axonal discectomy see systolic ball. The author briefly discusses the causes of brain injury and forensic identification should pay attention to.