彩色多普勒超聲的臨床應用課件

1、澳大利亞熱帶雨林彩色多普勒超聲的臨床應用彩色多普勒超聲的臨床應用 Ultrasonic diagnosis 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 短期內可重復檢查 repeated many times in the short period超聲檢查優(yōu)勢超聲檢查優(yōu)勢Shape: pear-shaped（梨形）Size: 3 x 9 cm W

2、all thickness: 3 mm 膽腔內見膽泥Sludge in the gallbladder lumen急性膽囊炎的聲像特征急性膽囊炎的聲像特征 Ultrasonography of acute cholecystitis sludge急性膽囊炎的聲像特征急性膽囊炎的聲像特征 Ultrasonography of acute cholecystitis 大小 Size: head3cm, body2cm, tail 13cm胰管 Pancreatic duct:liver實質回聲 echotexturre:homogeneous USG of the normal pancreas下

3、腔靜脈 the inferior vena cava (IVC)腹主動脈 aorta (AO)腸系膜上動脈 superior mesenteric artery(SMA)脾靜脈splenic vein (SV) 聲像特征聲像特征 Ultrasonography胰周積液胰周積液 Perikidney fluid collections 聲像特征聲像特征 Ultrasonography 聲像特征聲像特征 Ultrasonographyu低回聲腫塊hypoechoic massu胰管及膽道梗阻 obstruction of the pancreatic and biliary duct: 胰管及膽總

4、管擴張dilated pancreatic duct and common bile duct 膽囊增大enlarged gallbladder 聲像特征聲像特征 Ultrasonography高位梗阻 upper obstruction 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腎腎 臟臟 正常聲像圖正常聲像圖 USG of normal kidney 腎竇內結石呈強回聲伴聲影腎竇內結石呈強回聲伴聲影strong echo in the renal sinus 聲像特征聲像特征(USG(USG）腎竇擴張呈液性暗區(qū)dilated renal sinus 1cm(collecting system):anechoic spaceumild hydronephrosisumoderate hydronephrosis