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kuang nei zuo dan cun liu fa yi xue jian ding 1 li
Author(s): 
Pages: 173-174
Year: Issue:  2
Journal: Journal of Forensic Medicine

Keyword:  法医学创伤和损伤眼眶霰弹;
Abstract: 1案例
  1.1简要案情及病史摘要
  某年1月4日,民警张某(男,45岁)在执行公务时被他人以自制土枪击伤面部,当即感左眼视物不清,送至医院诊治。病史记载:左眼视力手动/眼前,左眼睑肿胀明显,上睑正中偏鼻侧可见一直径3 mm左右的圆形穿通创口,左眼球结膜水肿(++),角膜明, KP (-),前房中深,瞳孔直径6 mm,直接对光反射迟钝。次日眼眶CT扫描示:左眼眶周围软组织增厚肿胀;左眼眶顶壁骨质中断、碎裂,可见多发小碎骨块影(图1);左眼眶内壁骨质中断,累及内上隅角;左侧眼眶肌锥内间隙可见类圆形高密度致密影,周围可见放射状伪影,考虑异物存留(图2);左眼眶肌锥内间隙呈絮状高密度影,左侧视神经解剖结构不清(图3);图像重组见左眼眶上裂与视神经之间可见大小直径约3 mm的圆形高密度异物影。临床诊断:左眼枪伤,左眼球钝挫伤,左眼球后异物,左眼视神经挫伤。经抗感染、营养视神经治疗20 d,出院时左眼睑裂较右侧小,左眼视力无光感,左眼瞳孔直径5 mm,直接对光反射消失,间接对光反射存在,额部及左上睑等处可见小点状瘢痕。

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