兽医课件胃肠道

Gastrointestinal胃Gastrointestinal胃肠HengHockGanDVM,MVS,MS,DiplomateACVR,ECVDI,PurdueUniversity.hheng@purdueeduChallenges挑Challenges挑Gas–SpatialcompoundChallenges挑NearChallenges挑NearwallmaynotbeasclearlyasthefarSometimesonlypossibletoevaluateonesideoftheGITIndications适ObservationIndications适Observationofcontraction观察收ForeignbodyvsforeignbodyobstructionGIsign–vomitingIBD,StomachAnatomic•Echotexture–appearanceof5ultrasonographicStomachAnatomic•Echotexture–appearanceof5ultrasonographicwalllayersContractions–5-6perGastriccontents–gas,fluid,foreignIfthereisintra-luminalgas,thenwecanonlyevaluatetheventralwall(nearwall)oftheingst探头）5Ultrasonographic5Ultrasonographic5层结12345NormalrangeofWallThicknessforGITindogsandcats犬猫胃肠道壁层正常厚度NormalrangeofWallThicknessforGITindogsandcats犬猫胃肠道壁层正常厚度范Wall胃2-51.7-3.63-62.0-2.52-52.0-2.52-42.5-3.22-31.4-2.5壁层厚度：20只胃壁层厚度：20只胃Layerthickness壁层Layerthickness壁层厚Mucosallayerisoftenthickerthanthemuscularislayer,butcanbeequalthicknessduringperistalsisInStomach:Mucosa=submucosa=musculariswiththinserosallayerDuodenumandjejunum:Mucosa=71%and60%respectively:Submucosa=muscularis=serosallayerColon:similarthicknessforall胃胃StomachStomachIndividuallayer5layerPresenceorAltertheStomachStomachEmptyvswith空虚和进食的比Stomach–Stomach–Stomach–Stomach–胃SmallIntestines–SmallIntestines–SmallIntestinesSmallIntestinesEvaluationAnatomiclocation:Echotexture–appearanceof5EchogenicityNormalrangeofWallThicknessforGITindogsandcatsWallThickness 犬猫胃NormalrangeofWallThicknessforGITindogsandcatsWallThickness 犬猫胃2-51.7-3.63-62.0-2.52-52.0-2.52-42.5-3.22-31.4-2.5intestines小Thicknessintestines小ThicknessofthemuscularisSmallintestines评估小Smallintestines评估小Individual5layerPresenceorAltertheSmallIntestinesSmallIntestines–SmallIntestinesSmallIntestines–SmallIntestinesSmallIntestines–SmallIntestinesSmallIntestines–Colon–Evaluation评估结Anatomiclocation–identifiedbyitsrelationshiptotheColon–Evaluation评估结Anatomiclocation–identifiedbyitsrelationshiptothebladderandpresenceofreverberation解剖定位Echotexture–Similar5-difficulttoevaluateitsw