最新彩色多普勒超声的临床应用3PPT课件.ppt

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1、彩色多普勒超声的临床应彩色多普勒超声的临床应用用3 3解剖概要解剖概要(Anatomy）声声像像特特征征（USG）浆膜下肌瘤subserous myoma粘膜下肌瘤粘膜下肌瘤subendometrial myomasubendometrial myoma 早期妊娠早期妊娠 first-trimester pregnancy(12weeks)first-trimester pregnancy(12weeks)中、晚期妊娠中、晚期妊娠 Late second and third-trimester pregnancyLate second and third-trimester pregnancy

2、 (13-27w(13-27w末为中期妊娠末为中期妊娠,28-40w,28-40w为晚期妊娠为晚期妊娠)妊娠分为三个阶段：妊娠分为三个阶段：产科超声检查产科超声检查（Obstetrics Examination）排卵与植入 Ovulation and Implantationendometrium myometriumperimetriumovariesbroad lig.fertilization cleavag and moving to the cavity of the uterusZP start to disappearprepare for implantation morula

3、 enter into the cavityampullaovulation oviductuterus follicle桑桑椹椹胚胚胚胎植入胚胎植入 Implantationuterine glands decidua capillary Syncytiotro.ICMcytotroblast cavityepiblast amniotic sacyolk sacACBgerminal disc Dextraembryonic mesoderm exocoelom Pri.villus stementoblast amniotic cavity 产科超声检查产科超声检查（Obstetrics

4、 Examination）妊娠囊妊娠囊gestational sac(5 weeks)USG of first-trimester pregnancy(12 weeks)USG of first-trimester pregnancy(12 weeks)Transvaginal examination(5 MHz)(67 weeks)妊娠囊妊娠囊gestational sac胚胎胚胎embryoUSG of first-trimester pregnancy(12 weeks)Transabdominal examination(3 MHz)(67 weeks)妊娠囊妊娠囊gestationa

5、l sacEmbryo and fetal heart胚胎胚胎胚胎及原始心管胚胎及原始心管Embryo and fetal heart(67 weeks）USG of first-trimester pregnancy(12 weeks)双胎囊双胎囊two separated gestational sacTransabdominal examination(3 MHz)(56weeks)USG of first-trimester pregnancy(12 weeks)USG of first-trimester pregnancy(12 weeks)双胎囊和双胚胎two separated

6、 gestational sac and Embryo（8W）胚胎及原始心管Embryo and fetal heart (67 weeks）(10 weeks）USGof first-trimester pregnancy(12 weeks)中、晚期妊娠超声表现中、晚期妊娠超声表现中、晚期妊娠超声表现中、晚期妊娠超声表现 The second and third-trimester of pregnancy The second and third-trimester of pregnancy (13-27w (13-27w末为中期妊娠末为中期妊娠,28-40w,28-40w为晚期妊娠为晚期

7、妊娠)产科超声检查产科超声检查（Obstetrics Examination）羊膜囊逐渐充满宫腔羊膜囊逐渐充满宫腔羊膜囊逐渐充满宫腔羊膜囊逐渐充满宫腔,胚外体腔消失胚外体腔消失胚外体腔消失胚外体腔消失amnioniccystfillwiththeuterinecavityandtheexocoelomdisappears可清晰显示子宫内胎儿（胎头、脊柱、胸部、腹部及可清晰显示子宫内胎儿（胎头、脊柱、胸部、腹部及可清晰显示子宫内胎儿（胎头、脊柱、胸部、腹部及可清晰显示子宫内胎儿（胎头、脊柱、胸部、腹部及肢体）、肢体）、肢体）、肢体）、羊水、胎盘羊水、胎盘羊水、胎盘羊水、胎盘USGshowsfet

8、usUSGshowsfetus（head,spine,thead,spine,thoracicpart,abdomanandlimbs）,amnioticfluidandplcentaplcenta中、晚期妊娠超声表现中、晚期妊娠超声表现中、晚期妊娠超声表现中、晚期妊娠超声表现The second and third-trimester of pregnancy(1340w)The second and third-trimester of pregnancy(1340w)妊娠妊娠妊娠妊娠pregnancy(pregnancy(36W)36W)36W)36W)产科超声检查产科超声检查（Obst

9、etrics Examination）妊娠妊娠妊娠妊娠pregnancy pregnancy（24W)24W)24W)24W)The second and third-trimester of pregnancy(1340w)Ultrasonography of intrauterine fetus 胎盘placenta羊水amniotic fluid The second and third-trimester of pregnancy(1340w)Ultrasonography of intrauterine fetal head The second and third-trimeste

10、r of pregnancy(1340w)Ultrasonography of intrauterine fetal head 胎儿双顶径估测孕龄胎儿双顶径估测孕龄biparietal diameter(BPD)estimate fetal ageBPDThe second and third-trimester of pregnancy(1340w)Second-trimester views of a normal fetal spine(longitudinal views)spineH胎儿脊柱呈平行串胎儿脊柱呈平行串珠样高回声珠样高回声Parallel hyperechoic a st

11、ring of beads胎儿脊柱胎儿脊柱 fetus spinespineThe second and third-trimester of pregnancy(1340w)The second and third-trimester of pregnancy(1340w)Normal longitudinal view of the right side of a 30-week fetusHLLKDThe second and third-trimester of pregnancy(1340w)Normal longitudinal view of a 30-week fetusfetal heartH The second and third-trimester of pregnancy(1340w)CDFI of above figure 脐带脐带Umbilical cord(UC)UCplacenta结束语结束语谢谢大家聆听！谢谢大家聆听！33