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spect scanning
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  ect扫描
     The specimens were analyzed by immune response monitoring (IL 2, T cell subsets), SPECT scanning, angiography and pathologic examination.
     对移植体进行免疫学(白细胞介素2、T细胞亚群)监测,ECT扫描、血管造影和病理学分析。
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  “spect scanning”译为未确定词的双语例句
     Dipyridamole (0.14 mg·kg -1 ·min -1 ) was given intravenously at 4 min before injection of 99 Tc m ECD, then the brain SPECT scanning was performed after 30 minutes.
     用99Tcm 双半胱乙酯先做脑潘生丁负荷显像 :按体重静脉注射潘生丁 0 .14mg·kg-1·min-14min ,30min后行脑SPECT显像 ;
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     Methods 27patients with AD,26patients with VD and 25controls were studied with clinical manifestation,brain CT /MRI,neu-ro-psychological testing and SPECT scanning.
     方法从临床表现、脑CT/MRI、神经心理测验、脑SPECT扫描对27例AD、26例VD及25例健康对照进行研究。
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     Methods Each of thirteen normal volunteers (31.2±11.8 years old) underwent 12 times of SPECT scanning 1 hour after injection of 99 Tc m ECD,the acquisition lasted 60 minutes.
     方法  13名正常志愿者 ,年龄 (31.2± 11.8)岁 ,静脉注射99Tcm ECD后 1h ,用三探头SPECT仪进行 60min、12次断层显像。
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     Conclusion Clinical manifestations,neuro-psychological testing,brain CT /MRI and SPECT scanning cont ribute to the work-up of patients with AD and VD,combing all these meth ods it can be more useful.
     结论临床表现、神经心理测验、脑CT/MRI及SPECT扫描对诊断及鉴别诊断AD与VD有一定价值。
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     The UPDRS scores before therapy and6,13months after treatment,and the variations of specific uptake percentage of 99m Tc-TRODAT-1by striatum in SPECT scanning13months after treatment were evaluated.
     观察治疗前、治疗后6个月、治疗后13个月帕金森病量表评分结果,以及治疗13个月后纹状体单光子发射计算机体层扫描99mTc-TRODAT-1特异性摄取值百分率的变化。
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     PROGRESS IN SPECT
     单光子计算机断层(SPECT)仪的近代进展
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     It has the advantages of high sensitivity and fast scanning over the conventional SPECT.
     与传统的SPECT成像方法比较,它具有高的灵敏度和数据获取速度快的特点。
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     NEWS SCANNING
     新闻扫描
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     Market Scanning
     市场扫描
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     99m Tc bone scanning with SPECT was performed in all the patients with prostatic cancer.
     用SPECT对38例前列腺癌患者进行全身核素骨显像的同时,测定血清PSA、ALP。
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  spect scanning
Preferential Solute Flow in Intact Soil Columns Measured by SPECT Scanning
      
Repeat SPECT scanning with dysautoregulation following carotid endarterectomy showed improved or normal cerebral perfusion in seven of these patients.
      
Single photon emission computed tomography (SPECT) scanning with 99TcHMPAO (Ceretec) was used to demonstrate regional cerebral blood flow (rCBF) in sixteen patients with hemodynamically significant unilateral carotid stenosis.
      
The follow-up comprised a patient interview, ultrasonography (US), and single-proton ejected computerized tomography (SPECT) scanning.
      
We have demonstrated that SPECT scanning is a very Environ.
      
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The contents of neurotransmitters and the activity of dopamine rceptor in parkinsonian monkeys rendered by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) were determined by high performance liquid chromatography (HPLC) and single photon emission computed tomography (SPECT) imaging, respectively. Marked depletion of DA, DOPAC and HVA and significant elevation of DOPAC/DA and HVA/DA ratios were found in the caudate nucleus, putamen and substantia nigra of the monkeys with generalized parkinsonism and...

The contents of neurotransmitters and the activity of dopamine rceptor in parkinsonian monkeys rendered by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) were determined by high performance liquid chromatography (HPLC) and single photon emission computed tomography (SPECT) imaging, respectively. Marked depletion of DA, DOPAC and HVA and significant elevation of DOPAC/DA and HVA/DA ratios were found in the caudate nucleus, putamen and substantia nigra of the monkeys with generalized parkinsonism and hemiparkinsonism (lesioned side). SPECT scans in hemiparkinsonism monkeys showed no change of D_2 dopamine receptor activity in the lesioned striatum at the emergence of parkinsoism symptoms, and showed denervation supersensitivity when the symptoms became evident. It is concluded that these neurobiochemical changes occurred in parkinsonian monkeys rendered by MPTM are almost similar to those in human Parkinson's disease.

应用HPLC-EC法和SPECT在体显像检测由MPTP制备的双侧和偏侧帕金森病猴模型的神经递质含量和DA受体活性。结果发现:(1)6只双侧和4只偏侧帕金森病猴模型的尾状核、壳核和黑质DA及其代谢产物显著降低,DOPAC/DA和HVA/DA比值明显增高;(2)2只偏侧帕金森病猴模型病变侧的D_2 DA受体活性在症状初期无改变,症状明显时发生超敏。研究表明,帕金森病猴模型的神经递质含量变化和DA受体活性改变符合帕金森病患者的神经生化学改变。

Following right carotid artery infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), the rhesus monkeys manifested bradykinesia, hypokinesia and tremor of the left limbs, together with spontaneous slow circling movement toward the right side. Administration of madopar, apomorphine or amphetamine remarkably ameliorated the hemiparkinsonian symptoms. At the same time, madopar and apomorphine induced a fast circling toward the opposite side in a dose-dependent manner, while amphetamine enhanced the rotation...

Following right carotid artery infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), the rhesus monkeys manifested bradykinesia, hypokinesia and tremor of the left limbs, together with spontaneous slow circling movement toward the right side. Administration of madopar, apomorphine or amphetamine remarkably ameliorated the hemiparkinsonian symptoms. At the same time, madopar and apomorphine induced a fast circling toward the opposite side in a dose-dependent manner, while amphetamine enhanced the rotation toward the treated side. After long-term treatment with madopar, the monkeys with hemiparkinsonism developed choreoathetoid movements over the orofacial region and the left limbs. Marked reduction of dopamine (DA) in the right putamen, caudate nucleus and substantia nigra was demonstrated by high performance liquid chromatography. The right nigral degeneration was observed by light microscopy. Single photon emission computed tomography (SPECT) scans with 131I-IBZM in hemiparkinsonian monkeys showed no change of D2 DA receptor activity in the right striatum at the time of emergence of parkinsonian symptoms, but denervation supersensitivity occurred when the symptoms became severe. SPECT with 99mTc-ECD demonstrated decreased regional cerebral blood flow in the right brain. The above results indicate that administration of MPTP can create an ideal hemiparkinsonian monkey model resembling the features of human Parkinson's disease. SPECT appears to be an excellent means for in vivo studying the pathophysiology of Parkinson's disease.

经右侧颈总动脉注射甲基-苯基-四氢吡啶(MPTP)使猴产生左侧肢体动作减少、行动迟缓、震颤及向右侧缓慢旋转。应用美多巴和阿朴吗啡显著地改善单侧帕金森病(PD)症状,同时引起向左侧快速旋转,并呈明显的剂量依赖性;应用苯丙胺引起向右侧快速旋转。连续应用美多巴诱致单侧PD猴产生舞蹈手足徐动症。高效液相色谱测定显示右侧壳核、尾状核和黑质多巴胺(DA)含量显著降低。光镜发现右侧黑质神经元变性。SPECT活体显像发现病损侧纹状体D_2DA受体活性在病损初期无改变,病损严重时超敏,以及病损侧脑血流灌注减低。实验表明MPTP可建成理想的能形象地模拟人类PD的单侧PD猴模型。SPECT是活体研究PD病理生理的有效检测手段。

AbstractSince 1989,an experimental study andclinical application of transplantation of cry-opreserved vascularized bone alfografts wascarried out in our hospital.The posteriorsegments of rib pedicled with intercostal ves-seis or four dogs were stored in liquid nitro- gen 4 days after sfowly cooled at 0.5~1.0℃/min to a holding temperature-60℃, and thenrapidly thawed before transplanted as allo- grafts.The grafts were analysed post-operativelyby immune response monitoring, SPECT scan-ning, angiography, and...

AbstractSince 1989,an experimental study andclinical application of transplantation of cry-opreserved vascularized bone alfografts wascarried out in our hospital.The posteriorsegments of rib pedicled with intercostal ves-seis or four dogs were stored in liquid nitro- gen 4 days after sfowly cooled at 0.5~1.0℃/min to a holding temperature-60℃, and thenrapidly thawed before transplanted as allo- grafts.The grafts were analysed post-operativelyby immune response monitoring, SPECT scan-ning, angiography, and pathologic examina-tion,The results of the present study indica- ted that the grafts had good blood supplywith active metablism, and bone healing wasperfect at 3 months with no evidence ofimmunology rejection. From March to August1992,5 child cases of massive bone defectsresulted from resection of bone tumor weretreated by cryopreserved vascularized boneallografts. The donor iliac bones with deepcircumflex iliac artery were abtained frompatients’father or mother.Excellent functionrecovered after 10 to 16 months follow-uppost-operatively, The prevention of rejection. the reconstruction of blood circdatfon and theindication for such bone allografts are dis-cussed in this articale.

自1989年以来,在冷冻保存异体血管移植研究基础上,开展冷冻异体血管化骨移植的实验研究与临床应用。首先对4只狗含后肋间血管的肋骨段采用两步冷冻保存法,慢降温(0.5℃~1.0℃/min)至-60℃,再投入-196℃液氮中保存4天,经快速复温后,施行显微血管吻合异体骨移植。术后经免疫学检测,SPECT扫描,血管造影及组织切片等显示移植骨血循环丰富,代谢活跃,3个月达骨性愈合,无排斥反应。于1992年3~8月为5例儿童因长管骨肿瘤术后骨大块缺损施行冷冻保存异体活骨移植,供体采取患儿父、母亲的髂骨瓣。经10~16个月随访,疗效满意。文中对克服排斥反应;重建移植骨血循环及手术适应证等进行探讨。

 
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