医学课件-鼻骨骨折CT诊断课件

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,影像医学部放射科,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,/,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,鼻骨骨折,CT,诊断,1,/,鼻骨骨折CT诊断1/,头面部损伤中多见,检查方法,临床检查,X,线,CT,X,线缺陷,鼻骨侧位,X,线片上，仅能显示中线部位前后移位的骨折,2,/,头面部损伤中多见2/,正常鼻骨横断位图,3,/,正常鼻骨横断位图3/,易误诊为骨折,鼻骨孔,鼻颌缝,骨先天变异鼻,4,/,易误诊为骨折鼻骨孔4/,于鼻骨中下,1/3,交界处,内有鼻外动脉、鼻外静脉及鼻外神经通过,CT 横断扫描,：出现率,55%,双侧对称者,44%,鼻骨孔,5,/,于鼻骨中下1/3 交界处鼻骨孔5/,6,/,6/,7,/,7/,8,/,8/,误诊,9,/,误诊9/,鼻骨先天变异,鼻骨下缘的窄带状骨缺损,MPR+,VR,10,/,鼻骨先天变异10/,11,/,11/,上有鼻额缝,外有鼻颌缝、中间鼻骨间缝,12,/,上有鼻额缝,外有鼻颌缝、中间鼻骨间缝12/,需与鼻颌缝鉴别的骨折,13,/,需与鼻颌缝鉴别的骨折13/,14,/,14/,漏诊右侧鼻骨骨折,15,/,15/,典型的鼻骨骨折伴有移位,16,/,典型的鼻骨骨折伴有移位16/,17,/,17/,鼻部外伤影像检查小结,1.,病人多以外伤纠纷病人居多（排除外界干扰，客观判断）,2.,仔细观察病人临床特征、外伤情况；,3.,检查手段,X,线及,CT,；,4.,如,X,线诊断不明确，则建议,CT,、重组：,MPR+,VR,18,/,鼻部外伤影像检查小结1.病人多以外伤纠纷病人居多（排除外界干,鼻骨重组,层厚,1mm,重组：冠状位、矢状位、,VR,19,/,鼻骨重组层厚1mm19/,法医鉴定标准,（一）鼻骨,粉碎性骨折,，或者鼻骨线形骨折伴有明显移位的；,（二）鼻损伤明显影响鼻外形或者功能的构成轻伤,20,/,法医鉴定标准20/,Thank you for your attention,21,/,Thank you for your attention21,