胸部CT讲座.ppt

正常胸部CT胸部CT的优势有关胸部CT检查技术的几个问题纵隔窗纵隔分区主要层面和结构Canyoufindtherightandleftsubclavianarteries?(clickforanswer)Therightsubclavianarteryasit
dumpsintothebrachiocephalicartery.
(clicktohighlight)Whatarethe3yellowair-filled(black)structures
highlightedhere?(clicktohighlight)Thisiscontrast(white)beinginjected
intotheleftsubclavianvein.Incidentallipoma(‘fattumor’)(noticeitisthesame
densityasfatinthechestwall)CanyoufindtheleftbrachiocephalicveinasitdumpsintotheSVC?(clickforanswer)Canyoufindtherightpectoralismajorandminor?(clickforanswer)Whatisthestructureinblue?(clicktohighlight)Canyoufindtheazygousarch?(wheretheazygous
veincomesacrosstodumpintotheSVC)(clickforanswer)Noticethebifurcationof
thetrachea(corina)atthislevel(clicktohighlight)Whatisthestructureinred?(clicktohighlight)Canyoufindthepulmonarytrunkandrightpulmonaryartery?(clickforanswer)Wherearetheascending(A)anddescending(D)limbsofthe
thoracicaorta?(clicktohighlight)Weareatthelevelofthetopoftheleftatrium.NoticeThepulmonaryveins
dumpingintoitastheyreturnfromthelungs.(clicktohighlight)Canyoufindtheleftmaincoronaryarterycomingofftheaorta?(clickforanswer)Hereisagoodimageoftheleftatriumdumping
Intotheleftventricle.Canyoufindit?(clicktohighlight)Youcanclearlyseetheleftventricularwallandseptum
withtheprojectingpapillarywallmusclesattaching
tothemitralvalveleaflets.(clicktohighlight)ContrastfillingtherightventricleCanyoufindthepericardialsachere?(clickforanswer)
1胸廓入口平面2主动脉弓上平面3主动脉弓平面4主、肺动脉窗平面5肺门平面6心房平面图17-锁骨上和斜角肌组淋巴结图18-1R/L组淋巴结图19-1R/L组淋巴结图20-1R/L、3A/P组淋巴结图21-2R/L组淋巴结图22-4R、6组淋巴结图23-4R/L、6组淋巴结图24-4R/L、5、6组淋巴结图25-7组淋巴结图26-7、10R组淋巴结图27-8、10R/L组淋巴结图28-9、11R组淋巴结胸锁关节层面主动脉弓层面右肺动脉、肺动脉干层面肺静脉层面心室层面谢谢肺窗主要观察内容主要层面和结构肺叶、肺段的判断图1-16：正常胸部断层，
从胸锁关节至心底层面，
间隔3-10mm，以肺窗显
示；螺旋扫描；部分薄
层高分辨率重建

T：气管
E：食管
S1：上叶尖段Az：奇静脉弓
B1：上叶尖段支气管
S3：上叶前段图4-奇静脉弓层面图5-近隆突层面图6-隆突层面图7-隆突下1cm层面图8-隆突下1cm层面图9-隆突下2cm层面图10-隆突下2cm层面图11-隆突下3cm层面图12-隆突下3cm层面图13-隆突下3cm层面图14-近心底层面图15-近心底层面图16-近心底层面