彩色多普勒超聲的臨床應(yīng)用2課件

1、澳大利亞熱帶雨林 HISTORY OF ULTRASOUND2D3D4DDepartment of Ultrasound Li Feng-hua彩色多普勒超聲的臨床應(yīng)用 Ultrasonic diagnosisUltrasonic examination Ultrasonic examination has many advantages: 無創(chuàng) non-invasive diagnosis technique 易操作 operated easily 無害 not dangeous and not harmful to the patients 短期內(nèi)可重復(fù)檢查 repeated many t

2、imes in the short period超聲檢查優(yōu)勢(shì)主要內(nèi)容Main contents 膽囊、胰腺和腎臟 Gallbladder,pancreas and Kidney 子宮與胎兒顯像Uterus and fetus膽囊和胰腺超聲檢查Gallbladder and PancreasUltrasonography(USG）of the normal gallbladder膽囊(gallbladder)Shape: pear-shaped（梨形）Size: 3 x 9 cm Wall thickness: 3 mm 膽腔內(nèi)見膽泥Sludge in the gallbladder lumen

3、 急性膽囊炎的聲像特征 Ultrasonography of acute cholecystitis 正常膽囊膽汁淤積sludge 急性膽囊炎的聲像特征 Ultrasonography of acute cholecystitis 正常聲像圖胰腺(pancreas)大小 Size: head3cm, body2cm, tail 13cm胰管 Pancreatic duct:liver實(shí)質(zhì)回聲 echotexturre:homogeneous USG of the normal pancreas胰腺(pancreas)下腔靜脈 the inferior vena cava (IVC)腹主動(dòng)脈 a

4、orta (AO)腸系膜上動(dòng)脈 superior mesenteric artery(SMA)脾靜脈splenic vein (SV) 胰腺周圍血管Pancreas and vasculature 急性胰腺炎(acute pancreatitis)胰腺增大Pancreas enlargement 胰腺回聲減低Decreased pancreatic echogenicity胰周積液 Peripancreatic fluid collections 聲像特征 Ultrasonography胰周積液 Perikidney fluid collections急性胰腺炎(acute pancreati

5、tis) 聲像特征 Ultrasonography急性胰腺炎(acute pancreatitis) 聲像特征 Ultrasonography低回聲腫塊hypoechoic mass胰管及膽道梗阻 obstruction of the pancreatic and biliary duct: 胰管及膽總管擴(kuò)張dilated pancreatic duct and common bile duct 膽囊增大enlarged gallbladder胰腺癌(pancreatic cancer) 聲像特征 Ultrasonography 膽道梗阻部位的診斷高位梗阻 upper obstruction

6、肝總管以上梗阻 obstruction of the common hepatic duct and superior part of it低位梗阻 lower obstruction 膽總管及壺腹部病變引起的梗阻 obstruction caused by diseases of CBD and Duodenal ampulla胰腺癌(pancreatic cancer)Kidney腎 臟腎臟(kidney)腎長徑 lenth:average 11cm(range 913cm)腎實(shí)質(zhì)呈低回聲Parenchyma: hypoechic腎竇呈高回聲Renal sinus: hyperechic腎

7、表面呈線狀高回聲Surface: hyperechic line 正常聲像圖 USG of normal kidney 腎竇內(nèi)結(jié)石呈強(qiáng)回聲伴聲影strong echo in the renal sinusacoustic shadow 腎結(jié)石(kidney stone) 聲像特征(USG）腎盂積水(Hydronephrosis)腎竇擴(kuò)張呈液性暗區(qū)dilated renal sinus 1cm(collecting system):anechoic spacemild hydronephrosismoderate hydronephrosismarked hydronephrosis 聲像特征(USG）腎盂積水(Hydronephrosis)腎盂積水(Hydronephrosis) 聲像特征 （ USG ）腎囊腫(kidney cyst)邊清壁薄液性暗區(qū)伴后方回聲增強(qiáng)anechoic lumenclear wall