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1、澳大利亞熱帶雨林HISTORYOFULTRASOUND2D3D4DDepartmentofUltrasoundLiFeng-hua彩色多普勒超聲的臨床應(yīng)用UltrasonicdiagnosisUltrasonicexaminationUltrasonicexaminationhasmanyadvantages:⒈無(wú)創(chuàng)non-invasivediagnosistechnique⒉易操作operatedeasily⒊無(wú)害notdangeousandnotharmfultothepatients⒋短期內(nèi)可重復(fù)檢查rep
2、eatedmanytimesintheshortperiod超聲檢查優(yōu)勢(shì)主要內(nèi)容Maincontents膽囊、胰腺和腎臟Gallbladder,pancreasandKidney子宮與胎兒顯像Uterusandfetus膽囊和胰腺超聲檢查GallbladderandPancreasUltrasonography(USG）of thenormalgallbladder膽囊(gallbladder)Shape:pear-shaped（梨形）Size:3x9cmWallthickness:<3mmLumen:anech
3、oic(膽囊腔內(nèi)呈無(wú)回聲）正常聲像圖膽囊結(jié)石(gallstone)典型聲像特征Classicsonographicsigns⑴強(qiáng)回聲strongecho⑵清晰聲影clearacousticshadow⑶隨體位改變移動(dòng)mobile(shiftwithpositionchanges)“膽囊－結(jié)石－聲影”三合征 Wall-echo-shadowcomplex(WES)原因：膽囊腔內(nèi)充滿結(jié)石causes:astone-filledgallbladder表現(xiàn)為兩條弧形高回聲線后方伴聲影appearance:arc-shap
4、edlinesfollowedbyaacousticshadowWall-echo-shadow“膽囊－結(jié)石－聲影”三合征 Wall-echo-shadowcomplex(WES)結(jié)石：聲影并移動(dòng)Stone:Shadowingandmobile膽泥：無(wú)聲影但可移動(dòng)sludge:Nonshadowingandmobile息肉：無(wú)聲影和移動(dòng)polyp:Nonshadowingandnonmobile膽囊結(jié)石、息肉及膽泥間的鑒別診斷DifferentialdiagnosisamongStone,sludgeandpol
5、yp膽囊息肉polyp正常膽囊膽囊結(jié)石、息肉及膽泥間的鑒別診斷DifferentialdiagnosisamongStone,sludgeandpolypNormalgallbladder膽泥聲像圖膽囊結(jié)石、息肉及膽泥間的鑒別診斷DifferentialdiagnosisamongStone,sludgeandpolyp膽囊結(jié)石、息肉及膽泥間的鑒別診斷DifferentialdiagnosisamongStone,sludgeandpolyp正常膽囊膽囊增大Gallbladderenlargement膽壁增厚Ga
6、llbladderwallthickening>3mm膽腔內(nèi)見膽泥Sludgeinthegallbladderlumen急性膽囊炎的聲像特征Ultrasonographyofacutecholecystitis正常膽囊膽汁淤積sludge急性膽囊炎的聲像特征Ultrasonographyofacutecholecystitis正常聲像圖胰腺(pancreas)大小Size:head<3cm,body<2cm,tail1~3cm胰管Pancreaticduct:<2mm回生強(qiáng)度Echogenicity:>liver
7、實(shí)質(zhì)回聲echotexturre:homogeneousUSGofthenormalpancreas胰腺(pancreas)下腔靜脈theinferiorvenacava(IVC)腹主動(dòng)脈aorta(AO)腸系膜上動(dòng)脈superiormesentericartery(SMA)脾靜脈splenicvein(SV)胰腺周圍血管Pancreasandvasculature急性胰腺炎(acutepancreatitis)胰腺增大Pancreasenlargement胰腺回聲減低Decreasedpancreaticech
8、ogenicity胰周積液Peripancreaticfluidcollections聲像特征Ultrasonography胰周積液Perikidneyfluidcollections急性胰腺炎(acutepancreatitis)聲像特征Ultrasonography急性胰腺炎(acutepancreatitis)聲像特征Ultrasonography低回聲腫塊hypo
