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2022 ◽  
Vol 25 ◽  
pp. 100313
Author(s):  
Xiufeng Li ◽  
Jack C.K. Kot ◽  
Victor T.C. Tsang ◽  
Claudia T.K. Lo ◽  
Bingxin Huang ◽  
...  

2022 ◽  
Vol 54 (2) ◽  
Author(s):  
R. Arunkumar ◽  
V. Kavitha ◽  
K. Rama Prabha ◽  
K. Latha ◽  
S. Robinson

2022 ◽  
Vol 12 ◽  
Author(s):  
Amir Masoud Afsahi ◽  
Alecio F. Lombardi ◽  
Zhao Wei ◽  
Michael Carl ◽  
Jiyo Athertya ◽  
...  

Ultra-short echo time (UTE) MRI with post-processing is a promising technique in bone imaging that produces a similar contrast to computed tomography (CT). Here, we propose a 3D slab-selective ultrashort echo time (UTE) sequence together with image post-processing to image bone structures in the lumbar spine. We also explore the intermodality agreement between the UTE and CT images. The lumbar spines of two healthy volunteers were imaged with 3D UTE using five different resolutions to determine the best imaging protocol. Then, four patients with low back pain were imaged with both the 3D UTE sequence and CT to investigate agreement between the imaging methods. Two other patients with low back pain were then imaged with the 3D UTE sequence and clinical conventional T1-weighted and T2-weighted fast spin-echo (FSE) MRI sequences for qualitative comparison. The 3D UTE sequence together with post-processing showed high contrast images of bone and high intermodality agreement with CT images. In conclusion, post-processed slab-selective UTE imaging is a feasible approach for highlighting bone structures in the lumbar spine and demonstrates significant anatomical correlation with CT images.


2022 ◽  
Vol 105 ◽  
pp. 136-149
Author(s):  
Elwin van 't Wout ◽  
Seyyed R. Haqshenas ◽  
Pierre Gélat ◽  
Timo Betcke ◽  
Nader Saffari

2022 ◽  
Author(s):  
Tingting Xu ◽  
Yao Sun ◽  
Sha Yu ◽  
Shaojun Wu ◽  
Yu Su ◽  
...  

A fluorogenic RNA aptamers nanodevice integrating the entropy-driven RNA amplifier with near-infrared (NIR) light controller, affording high contrast and sensitivity for imaging the low-abundance mRNA in living cells. The design...


2022 ◽  
Vol 82 (1) ◽  
pp. 168-193
Author(s):  
Steven Psaltis ◽  
Robert Timms ◽  
Colin Please ◽  
S. Jonathan Chapman

2022 ◽  
Vol 29 (1) ◽  
pp. 013301
Author(s):  
E. Eftekhari-Zadeh ◽  
M. S. Blümcke ◽  
Z. Samsonova ◽  
R. Loetzsch ◽  
I. Uschmann ◽  
...  

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