彩色多普勒超声的临床应用4.ppt
孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),孕娠(gestation),妊娠(gestation),胎儿血液循环,Blood circulation of the fetus,妊娠(gestation),The second and third-trimester of pregnancy(1340w),CDFI of fetal umbilical cord,two arteries,vein,妊娠(gestation),The second and third-trimester of pregnancy(1340w),Doppler waveform of fetal umbilical artery,Drink amniotic fluid,36周胎儿饮水 36-week fetus,脐带绕颈(cord around neck),H,N,S,longitudinal view of a 32-week fetus,脐带绕颈(cord around neck),CDFI of above figure(longitudinal view),Transverse image,妊娠(gestation),The second and third-trimester of pregnancy(1340w),pregnancy(13w),1.宫外孕:孕卵在子宫腔外着床发育 Ectopic pregnancy:blastocyst implants outside the uterine cavity2.可发生在输卵管、子宫角部、宫颈、卵巢、腹腔及阔韧带等部位 It happens to oviducts,cornu uteri,cervix,ovary,abdominal cavity and broad ligament3.最常发生的部位是输卵管壶腹部(ampulla),宫外孕,产科超声检查(Obstetrics Examination),(ectopic pregnancy),联合国总部的破地球预示着地球上还有疾病、灾难和战争;,联合国历任秘书长,联合国总部纽约,卷起的枪支预示世界要和平,Thanks,4.USG:子宫轻度增大uterine enlargement 内膜增厚thickening of the endometrium 无妊娠囊cavity without gestation sac 未破裂前,附件区可见低回声包块,偶而 可妊娠囊、胚芽及心管波动 破裂后,子宫直肠隐窝内有游离液体 fluid can be found in Doglas cavity,宫外孕,产科超声检查(Obstetrics Examination),(ectopic pregnancy),子宫角部妊娠:可见妊娠囊,产科超声检查(Obstetrics Examination),宫外孕,(ectopic pregnancy),Gestation sac in the cornu uteri,宫角妊娠见胎儿声像fetus in the cornu uteri,产科超声检查(Obstetrics Examination),宫外孕,(ectopic pregnancy),宫外孕,产科超声检查(Obstetrics Examination),(ectopic pregnancy),三维(three-dimensional ultrasound imaging),强大的计算能力,四维超声能力计算:25 幅容积图像/秒=1900 二维图像/秒=100 MB/秒=50.000 标准书面文件/秒,表面三维-形态学研究,临床应用 婴儿面部结构 手指形态及位置 胆结石孕囊 脐带结 腹壁,*Dr Pretorius&Nelson Sonography in Obstetrics and Gynecology,三维(three-dimensional ultrasound imaging),三维(three-dimensional ultrasound imaging),3D reconstruction technique with volume Transducer,三维(three-dimensional ultrasound imaging),三维(three-dimensional ultrasound imaging),三维(three-dimensional ultrasound imaging),胎儿足 feet,Late second and third-trimester pregnancy(1340w),三维(three-dimensional ultrasound imaging),Live 3D,数据采集:“自动容积扫描”,澳大利亚热带雨林,HISTORY OF ULTRASOUND,Live 3D,CONCLUSIONS,1.胆、胰、肾和子宫的正常声像图及常见疾病的声像特征Normal and abnormal USG of gallbladder,pancrease,kidney,uterus and fetus2.正常中、晚期妊娠超声表现及异位妊娠超声特征The second and third-trimester of pregnancy Ultrasonography of ectopic pregnancy 3.三维超声显像 Three-dimensional ultrasound imaging,Questions 1?,Found in the medical examination,question 2,Pain in the right upper quadrant with weight loss,question 3,Clinical historypain in the right upper quadrant with radial pain in the shoulder and back,question 4,Clinical historyFound in the medical examination,病史:女 15岁 下腹痛,周期性发作,进行性加重。超声图像如图,question 5,