北京协和医院：《放射诊断学》课程教学资源（PPT课件）神经放射学综合课——血管病（英文版）

Neuroradiotegy Cerebral Vessel Disease Zheng Yu King department of Radiology Peking Union Medical College Hospital

Neuroradiology￾Cerebral Vessel Disease Zheng Yu King department of Radiology Peking Union Medical College Hospital

Background DSA CT ·MRI

Background • DSA • CT • MRI

Selective Angiography Vascular anatomy Diagnosis and analysis For Interventional procedure

Selective Angiography • Vascular anatomy • Diagnosis and analysis • For Interventional procedure

Basic techniques Traditional techniques. C.T. M.R.I. C.T.A.M.R.A. Functional Imaging. IRI

Basic techniques • Traditional techniques. • C.T. • M.R.I. • C.T.A. & M.R.A. • Functional Imaging

1z, F5 FHE #2 H,D L.INT.CADORID L.INT,CKIURID FL014 2w100n460ms 展6828 60e0L3804158 S416L442 82032 5■91 56.5ke 20 #2 #2 5'7 597 02410 点nh L INT.CAIORID IN,CATRID 银1e 認 D0L460181 9{6 10【48425 4第 9「 532

FUC DSPITAL 双T4 HSP TA, D5R191 T3,7 9:8 19t 192 555标 K 2 2 2 064 L.INE.CATCRIC L.DC.SATRID 既 8 00406别18 55 )1千装学17 5的 7.163m FUC BOGPITAL OS2TCH型 ( 867 4 间T资 1T. 5,好 #2 2 '7 'e阿 L.III.CAICRIE L.INI.CATORID 6 储产9. 6C84L86e9H124 10L45479172 731烟 61h

CTA(CT血管造影 静脉注射CT造影剂 在合适的时间采集薄 层CT图像 将原始图像进行3D后 处理 获得CTA图像 优势（与DSA比较）： 一立体，直观，易重建 显示钙化和骨质结构 基本无创

CTA（CT血管造影） • 静脉注射CT造影剂 • 在合适的时间采集薄 层CT 图像 • 将原始图像进行3D后 处理 • 获得CTA图像 • 优势（与DSA比较）： – 立体，直观，易重建 – 显示钙化和骨质结构 – 基本无创

MR Angiography Ultra Fast MRA Large FOV,contrast enhanced,3D MRA, imaging volume covered in 13 seconds Acquired using ultra-fast SmartPrep MRA technique and specially combined phased array coils Valuable for evaluating pulmonary arteries and carotids in a single examination GE Medical Systems PREVIOUS EXIT

Large FOV, contrast enhanced, 3D MRA, imaging volume covered in 13 seconds Acquired using ultra-fast SmartPrep MRA technique and specially combined phased array coils Valuable for evaluating pulmonary arteries and carotids in a single examination MR Angiography - Ultra Fast MRA HOME NEXT PREVIOUS EXIT

MR Angiography Elliptical Centric View Orde Elliptical-Centric View Ordering TR/TE=6.6/1.4ms 256x224 20x15 cm FOV 68 slices,1.4mm thick Imaging time 44 sec Image courtesy of Mayo Clinic Rochester,MN,John Huston III,MD GE Medical Systems PREVIOUS EXIT

Elliptical-Centric View Ordering TR/TE = 6.6 / 1.4 ms 256x224 20x15 cm FOV 68 slices, 1.4mm thick Imaging time = 44 sec Image courtesy of Mayo Clinic Rochester, MN, John Huston III, MD MR Angiography - Elliptical Centric View Ordering HOME NEXT PREVIOUS EXIT

Perfusion CT (CT脑灌注) MIP-flow volume time to peak 静脉团注造影剂，在感兴趣区连续动态 扫描，获得的大量数据经后处理，产生时 间-强度曲线，由此算出脑血流速率、脑 血流量及峰值时间等具诊断意义的参数。 已有现成软件包。 CBF下降，CBV升高，TTP延迟

MIP－flow－volume－time to peak 静脉团注造影剂，在感兴趣区连续动态 扫描，获得的大量数据经后处理，产生时 间-强度曲线，由此算出脑血流速率、 脑 血流量及峰值时间等具诊断意义的参数。 已有现成软件包。 Perfusion CT (CT脑灌注) CBF下降，CBV升高，TTP延迟