1.5T磁共振检查技术

1.5T磁共振检查技术福建医科大学附属第一医院影像科李坚头颈部MR扫描颅脑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平扫常规扫描T1FLAIR-TRAT2WI-TRAT1FLAIR-SAGT2FLAIR-TRADWI-TRA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T1FLAIR-TRAT2WI-TRAT1FLAIR-SAGT2FLAIR-CORDWI-TRA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平扫怀疑颅骨、皮下病变T1FLAIR-TRAT1FLAIR-SAGT2WI-FS-TRAT2WI-FS-CORDWI-TRA颅脑平扫+增强扫描T1FLAIRTRASE：T1WISAGT2WI-TRAT2FLAIR-TRADWI-TRASE：T1WI-TRA，SAG，COR+C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-SAGFOV的选择颅脑MRA检查常规扫描T2WI-TRA3D-TOF-MRA薄层扫描内听道平扫常规扫描T2WI-TRA（3-4mm）T2WI-CORT1WI-TRA薄层扫描垂体平扫常规扫描SE：T1WI-SAG，COR（垂直鞍底）T2WI-SAG，COR3mmT2WI-TRA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眼眶扫描线圈选择：眼眶平扫常规扫描:3mmT2WI-FS-TRAT1WI-TRAT2WI-FS-CORT2WI-FS-SAG眼眶横断位平扫T2WI脂肪抑制横断位T1WI横断位眼眶矢状位平扫T2WI脂肪抑制矢状位眼眶冠状面平扫T2WI脂肪抑制冠状位眼眶增强扫描？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）鼻咽部平扫常规扫描:5mmT2WI-FS-TRAT1WI-TRAT1WI-SAGT2WI-FS-COR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－下颌骨下缘颈部平扫？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颈部软组织冠状面扫描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骨关节MR扫描骨盆、髋关节平扫膝关节扫描常规扫描:5mmPDWI-FS-SAGT1WI-TRAPDWI-FS-CORPDWI-FS-TRA东芝1.5TPDWI脂肪抑制矢状位T1WI矢状位PDWI脂肪抑制冠状位GE1.5T西门子1.5T脊柱MR扫描胸椎定位像？腰椎平扫腰椎横断面平扫