5. Borthakur A, Reddy R. Imaging cartilage physiology. Top Magn Reson Imaging 2010;21(5):291–296. CrossRef, Medline 6. Raya JG, Arnoldi AP, Weber DL, et al. Ultra-high field diffusion tensor imaging of articular cartilage correlated with hi...
(a)沿跟骨外侧腓骨长肌腱和骰骨沟的长轴(纵向)超声图像显示,肌腱纤维的低回声性与肌腱病一致。(b)同一踝关节的矢状 STIR MR 图像显示,腓骨长肌腱轻度增厚,散在细微的内在中间信号,与肌腱病一致。(c)左踝关节外侧术中图像显示腓骨...
2.Lehner KB, Rechl HP, Gmeinwieser JK, Heuck AF, Lukas HP, Kohl HP. Structure, function, and degeneration of bovine hyaline cartilage: Assessment with MR imaging in vitro. Radiology 1989;170:495-9. Back to cited text no. 2 3.Rubenstein JD, Kim JK, Morova-Protzner I, Stanchev PL,...
如使用FS脂肪抑制技术效果较差,可使用对磁场的均匀性不敏感的序列扫描。 如对于金属植入物的被检者使用频率选择法的脂肪抑制技术很难获得理想的压脂效果;对于这种情况可以采用高带宽的STIR序列扫描。 冠状面:冠状位PDWI脂肪抑制序列 在横断位和矢状位上定位,在横断位上找到显示内外踝最好的层面,定位线平行于内外踝的...
In this thesis, we propose a system for vertebrae, spinal cord and nerve segmentation from STIR-MRI images, and estimate the transformation between the segmented 3D vertebra models in CT and STIR-MRI (Short Tau Inversion Recovery - Magnetic Resonance Imaging) by our 3D point-set registration ...
10.1：平衡式SSFP (Balance-SSFP)西门子：真实稳态进动快速成像True-FISP (true fast imaging with steady precession)GE：稳态采集快速成像 FIESTA (fast Imaging employing steady state acquisition)飞利浦：平衡式快速场回波 B-FFE (blance-fast field echo)特点▪在层面选择方向、相位编码方向及频率编码方向3个...
其最常用的两个序列是快速小角度激发(fast low angle shot,FLASH)序列和稳态进动快速成像(fast imaging with steady state precession,FISP)序列。5. 快速梯度自旋回波(TGSE)序列 TGSE 是在 TSE 的每个自旋回波的前面和后面,再产生若干个梯度回波,使 180°翻转脉冲后形成一组梯度和自旋的混合回波信号,从而提高...
7、derstanding the gen eration mechanism of various artifacts and using various effective tech niq ues to suppress or eliminate image artifacts are of important significance to improve the image quality and the diagnostic rate.key words magnetic resonance imaging; artifacts随着磁共振(mri)临床应用的普...
MS-EPI：multi shot echo planar imaging多激发平面回波成像 DWI：diffusion weighted imaging扩散加权成像(小视野弥散Philips-ZOOM/Siemens-ZOOMit/GE-FOCUS)ADC：apparent diffusion coefficient表观扩散系数 DWIBS：diffusion weighted imaging with background suppression背景抑制扩散加权成像 RESOLVE：readout segment of ...
肩关节内固定术后(STIR序列)。 外固定植入的患者,在行MRI检查前请务必先确认其安全性,再行MRI检查。 昏迷患者、幽闭恐惧受检者及婴幼儿应先评估其风险,做好相应的准备,在相关人员的陪同下再行MRI检查。 目前尚缺乏充足证据表明MRI检查对于早孕期妇女的影响。谨慎的观点是早孕期妇女(前三个月)应该酌情避免进行MRI...