,单击此处编辑母版文本样式,第二级,单击此处编辑母版标题样式,*,*,磁共振检查技术,磁共振检查技术,1,头颈部MR扫描,头颈部MR扫描,2,颅脑MR检查,检查前准备：,检查前排便、排尿,提供耳塞或耳机,去除含金属物（助听器、发卡、首饰、耳环等）,线圈：,颅脑线圈,颅脑MR检查检查前准备：,3,颅脑MR检查,横断面,定位线：通过胼胝体的前后缘（平行于前后连合处的连线）,扫描范围：大脑凸面最高点到小脑（枕大孔处）,颅脑MR检查横断面,4,磁共振检查技术讲义课件,5,磁共振检查技术讲义课件,6,颅脑MR平扫,怀疑海马病变,T1FLAIR-TRA,T2WI-TRA,T1FLAIR-SAG,T2FLAIR-COR,DWI-TRA,颅脑MR平扫怀疑海马病变,7,颅脑MR平扫,怀疑海马病变,T1FLAIR-TRA,T2WI-TRA,T1FLAIR-SAG,T2FLAIR-COR,DWI-TRA,颅脑MR平扫怀疑海马病变,8,颅脑MR平扫,怀疑脱髓鞘病变,T1FLAIR-TRA,T2WI-TRA,T1FLAIR-SAG,T2FLAIR-,COR/SAG,（正中矢状面薄层）,DWI-TRA,颅脑MR平扫怀疑脱髓鞘病变,9,颅脑MR平扫,怀疑脑干、顶部病变,T1FLAIR-TRA,T2WI-TRA,T1FLAIR-SAG,T2FLAIR-TRA,DWI-TRA,加扫T2WI-COR,颅脑MR平扫怀疑脑干、顶部病变,10,磁共振检查技术讲义课件,11,颅脑平扫+增强扫描,T1FLAIR TRA,SE：T1WI SAG,T2WI-TRA,T2FLAIR-TRA,DWI-TRA,SE：T1WI-TRA，SAG，COR+C,颅脑平扫+增强扫描T1FLAIR TRA,12,颅脑增强扫描,颅脑直增,DWI/T2WI-TRA,（无平扫片者需加扫）,SE：T1WI-TRA,SE：T1WI-COR,SE：T1WI-SAG,颅脑增强扫描颅脑直增,13,磁共振检查技术讲义课件,14,颅脑增强扫描,怀疑颅骨、皮下软组织病变,增强应行脂肪抑制,SE：T1WI-FS-TRA,SE：T1WI-FS-COR,SE：T1WI-FS-SAG,颅脑增强扫描怀疑颅骨、皮下软组织病变,15,FOV的选择,FOV的选择,16,颅脑MRA检查,常规扫描,T2WI-TRA,3D-TOF-MRA薄层扫描,颅脑MRA检查常规扫描,17,内听道平扫,常规扫描,T2WI-TRA（3-4mm）,T2WI-COR,T1WI-TRA,薄层扫描,内听道平扫常规扫描,18,垂体平扫,常规扫描,SE：T1WI-SAG，COR,（垂直鞍底）,T2WI-SAG，COR 3mm,T2WI-TRA,垂体平扫常规扫描,19,垂体平扫及增强扫描,常规扫描,SE：T1WI-SAG，COR,T2WI-SAG，COR,SE：T1WI-SAG+C,SE：T1WI-SAG+C,垂体平扫及增强扫描常规扫描,20,眼眶扫描,线圈选择：,眼眶扫描线圈选择：,21,眼眶平扫,常规扫描:3mm,T2WI-FS-TRA,T1WI-TRA,T2WI-FS-COR,T,2WI-FS-SAG,眼眶平扫常规扫描:3mm,22,眼眶横断位平扫,T2WI,脂肪抑制横断位,T1WI,横断位,眼眶横断位平扫T2WI 脂肪抑制横断位T1WI 横断位,23,眼眶矢状位平扫,T2WI,脂肪抑制矢状位,眼眶矢状位平扫T2WI 脂肪抑制矢状位,24,眼眶冠状面平扫,T2WI,脂肪抑制冠状位,眼眶冠状面平扫T2WI 脂肪抑制冠状位,25,眼眶增强扫描,？,眼眶增强扫描？,26,眼眶增强扫描,3mm,增强应行脂肪抑制,T1WI-FS-TRA,T1WI-FS-COR,T1WI-FS-SAG,（沿视神经长轴）,眼眶增强扫描3mm,27,鼻咽部平扫,常规扫描:5mm,T2WI-FS-TRA,T1WI-TRA,T1WI-SAG,T2WI-FS-COR,鼻咽部平扫常规扫描:5mm,28,鼻咽部+颈部平扫,常规扫描:5mm,T2WI-FS-TRA,T1WI-TRA,T1WI-SAG,T2WI-FS-COR,上包括海绵窦，,下包括锁骨上。,鼻咽部+颈部平扫常规扫描:5mm,29,鼻咽部增强扫描,5mm,增强应行脂肪抑制,T1WI-FS-TRA,T1WI-FS-COR,T1WI-FS-SAG,鼻咽部增强扫描5mm,30,颈部软组织平扫,舌口底,舌颈根,舌头,颈部,口咽部,喉咽部,鼻窦,眶上缘咬合平面,眶下缘咬合平面,颅顶颈根部,颅底颈根部,咬合平面颈根部,眉弓下颌骨下缘,颧弓下颌骨下缘,颈部软组织平扫舌口底眶上缘咬合平面,31,颈部平扫,？,颈部平扫？,32,颈部软组织平扫,常规扫描:5mm,T2WI-FS-TRA,T1WI-TRA,T2WI-FS-SAG,矢状面须行脂肪抑制,以便于显示病变,T2WI-FS-COR,颈部软组织平扫常规扫描:5mm,33,颈部软组织冠状面扫描,颈部软组织冠状面扫描,34,颈部软组织增强扫描,5mm,增强应行脂肪抑制,T1WI-FS-TRA,T1WI-FS-COR,T1WI-FS-SAG,颈部软组织增强扫描5mm,35,骨关节MR扫描,骨关节MR扫描,36,骨盆、髋关节平扫,骨盆、髋关节平扫,37,膝关节扫描,常规扫描:5mm,PDWI-FS-SAG,T1WI-TRA,PDWI-FS-COR,PDWI-FS-TRA,膝关节扫描常规扫描:5mm,38,东芝,1.5T,东芝 1.5T,39,PDWI,脂肪抑制矢状位,T1WI,矢状位,PDWI,脂肪抑制冠状位,GE 1.5T,PDWI 脂肪抑制矢状位T1WI 矢状位PDWI 脂肪抑制冠,40,西门子,1.5T,西门子 1.5T,41,脊柱MR扫描,脊柱MR扫描,42,胸椎定位像,胸椎定位像,43,？,？,44,磁共振检查技术讲义课件,45,腰椎平扫,腰椎平扫,46,腰椎横断面平扫,腰椎横断面平扫,47,