医学课件消化系统影像学诊断

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1、消化系统影像学诊断北大医院CT室王仁贵renguiwang@yahoo.com.cn讲课内容消化道怎样看：方法消化道怎样的：解剖消化道怎样了：疾病一ImagingMethodsPlainorConventionalX-rayGastrointestinalBEAngiographyCTscanMRimagingUltrasonographyScintigraphy（一）PlainorConventionalX-rayFluoroscopyRadiographyPositionsofAbdominalPlainX-rayS

2、upinepositionStandPositionSide-lyingPositionHandstandPositionSupineStandHandstandSide-lyingGastrointestinalBEbyOrgansEsophagusBEUpperGIBESmallintetineBEAllAlimentaryBEColonBEEsophagusBEUpperGIBESmallIntestineBEAllAlimentaryorDigestiveTractBEColonBEGastrointestinalBE

3、byContrastMediumTraditionalBariumExaminationMucosalimagingFillingimagingCompressingimagingDouble-contrastBEFillingMucosalCompressingFillingCompressingFillingCompressingDoubleBEGastroscopyDoubleBEofStomach二、NormalAnatomyandX-rayEsophagusStomachDuodenumJejunumandIleumColo

4、nEsophagus2口3压迹4狭窄4粘膜线宽2-3cm长25cm粘膜像粘膜皱襞粘膜间沟Stomach2弯2门3区4型粘膜皱襞胃小区胃粘膜皱襞Duodenum组成：球部、降部、升部球部：锥形、对称、幽门管口粘膜：纵行、羽毛、横行十二指肠Double-BEFillingimagingJejunumIleum分组：左上、左下、中腹、右下、盆腔径长：2.5x250cm2.0x350cm粘膜：环状羽毛少浅光滑蠕动：活跃缓慢肠管空肠回肠回肠空肠回肠ColonGroups：(Cecum,Ascending,Transverse,Desending,

5、sigmoid,Rectum)WidthandLength：5x160cmMucosa：Vertical-Transverse-ObliqueMucosalFolds：Lune、ColonicBag结肠结肠Colon（三）BasicPathologicChangesLocal–Niche,FillingDefectCavity–Constriction,DilatationMucosa–Derangement,DestructionWall–Softness,StiffnessFunction–Hyper-,Hypo-Sket

6、chMapLocal–FillingDefect,NicheNicheNiche侧位—切线位正位NicheNicheFillingDefect侧位—切线位正位侧位—切线位正位FillingDefectFillingDefectFillingDefectFillingDefectwithNiche侧位—切线位正位侧位—切线位正位FillingDefectwithNiche食管癌FillingDefectwithNicheCanal–ConstrictionanddilatationMucosa–DerangementandDestruct

7、ionMucosa–DerangementandDestructionWall–Stiffness、SoftnessWall–Stiffness、SoftnessQuestionsinSummary（1）MethodsofGastrointestinalBariumContrastbyOrgansTypesofBasicPathologyandImagingFindingsInterpretationofTerms：NicheandFillingDefect下次讲课内容：常见疾病食管：静脉曲张、食管癌胃：溃疡、胃癌肠管：结核、息肉、结肠

8、癌急腹症：穿孔、梗阻、外伤四、胃肠道常见疾病食管：静脉曲张、食管癌胃：溃疡、胃癌肠管：结核、息肉、结肠癌急腹症：穿孔、梗阻、外伤食管静脉曲张Esophagealvarices病因：肝硬化、上腔静脉梗阻机理：