Index by author
Lui, Y.W.
- EDITOR'S CHOICEAdult BrainOpen AccessAltered Relationship between Working Memory and Brain Microstructure after Mild Traumatic Brain InjuryS. Chung, X. Wang, E. Fieremans, J.F. Rath, P. Amorapanth, F.-Y.A. Foo, C.J. Morton, D.S. Novikov, S.R. Flanagan and Y.W. LuiAmerican Journal of Neuroradiology September 2019, 40 (9) 1438-1444; DOI: https://doi.org/10.3174/ajnr.A6146
The authors investigated how working memory deficits relate to detectable WM microstructural injuries to discover robust biomarkers that allow early identification of patients with mild traumatic brain injury at the highest risk of working memory impairment. Multi-shell diffusion MR imaging was performed on a 3T scanner with 5 b-values. Diffusion metrics of fractional anisotropy, diffusivity and kurtosis (mean, radial, axial), and WM tract integrity were calculated. Auditory-verbal working memory was assessed using the Wechsler Adult Intelligence Scale. ROI analysis found a significant positive correlation between axial kurtosis and Digit Span Backward in mild traumatic brain injury mainly present in the right superior longitudinal fasciculus, which was not observed in healthy controls.
Luo, X.
- Adult BrainOpen AccessValidation of Zero TE–MRA in the Characterization of Cerebrovascular Diseases: A Feasibility StudyS. Shang, J. Ye, W. Dou, X. Luo, J. Qu, Q. Zhu, H. Zhang and J. WuAmerican Journal of Neuroradiology September 2019, 40 (9) 1484-1490; DOI: https://doi.org/10.3174/ajnr.A6173
Lylyk, P.
- InterventionalOpen AccessAnalysis of Flow Dynamics and Outcomes of Cerebral Aneurysms Treated with Intrasaccular Flow-Diverting DevicesJ.R. Cebral, B.J. Chung, F. Mut, J. Chudyk, C. Bleise, E. Scrivano, P. Lylyk, R. Kadirvel and D. KallmesAmerican Journal of Neuroradiology September 2019, 40 (9) 1511-1516; DOI: https://doi.org/10.3174/ajnr.A6169
Macyszyn, L.
- FELLOWS' JOURNAL CLUBSpineYou have accessQuantitative Analysis of Spinal Canal Areas in the Lumbar Spine: An Imaging Informatics and Machine Learning StudyB. Gaonkar, D. Villaroman, J. Beckett, C. Ahn, M. Attiah, D. Babayan, J.P. Villablanca, N. Salamon, A. Bui and L. MacyszynAmerican Journal of Neuroradiology September 2019, 40 (9) 1586-1591; DOI: https://doi.org/10.3174/ajnr.A6174
Majmundar, N.
- InterventionalYou have accessDistal Transradial Access in the Anatomic Snuffbox for Diagnostic Cerebral AngiographyP. Patel, N. Majmundar, I. Bach, V. Dodson, F. Al-Mufti, L. Tomycz and P. KhandelwalAmerican Journal of Neuroradiology September 2019, 40 (9) 1526-1528; DOI: https://doi.org/10.3174/ajnr.A6178
Mandapalu, S.
- FELLOWS' JOURNAL CLUBSpineYou have accessComparative Analysis of Volumetric High-Resolution Heavily T2-Weighted MRI and Time-Resolved Contrast-Enhanced MRA in the Evaluation of Spinal Vascular MalformationsS.K. Kannath, S. Mandapalu, B. Thomas, J. Enakshy Rajan and C. KesavadasAmerican Journal of Neuroradiology September 2019, 40 (9) 1601-1606; DOI: https://doi.org/10.3174/ajnr.A6164
The authors compared the efficacy of volumetric high-resolution heavily T2-weighted and time-resolved contrast-enhanced images in spinal vascular malformation diagnosis and feeder characterization and assessed whether a combined evaluation improved the overall accuracy of diagnosis in 28 patients. Both sequences demonstrated 100% sensitivity and 93.5% accuracy for the detection of spinal vascular malformations. Volumetric high-resolution heavily T2-weighted imaging was superior to time-resolved contrast-enhanced MR imaging for identification of spinal cord arteriovenous malformations while the opposite was observed for perimedullary arteriovenous fistulas. Both sequences showed equal sensitivity (100%) and accuracy (87%) for spinal dural arteriovenous fistulas. They conclude that combined volumetric high-resolution heavily T2-weighted imaging and time-resolved contrast-enhanced MR imaging can improve the sensitivity and accuracy of spinal vascular malformation diagnosis, classification, and feeder characterization.
Manniesing, R.
- EDITOR'S CHOICEAdult BrainOpen AccessColor-Mapping of 4D-CTA for the Detection of Cranial Arteriovenous ShuntsM. Meijs, S.A.H. Pegge, K. Murayama, H.D. Boogaarts, M. Prokop, P.W.A. Willems, R. Manniesing and F.J.A. MeijerAmerican Journal of Neuroradiology September 2019, 40 (9) 1498-1504; DOI: https://doi.org/10.3174/ajnr.A6156
A color-mapping method for 4D-CTA is presented for improved and enhanced visualization of the cerebral vasculature hemodynamics. This method was applied to detect cranial AVFs. Thirty-one patients were included, 21 patients with and 10 without an AVF. Arterialization of venous structures in AVFs was accurately visualized using color-mapping. There was high sensitivity (86%–100%) and moderate-to-high specificity (70%–100%) for the detection of AVFs on color-mapping 4D-CTA, even without the availability of dynamic subtraction rendering. Arterialization of venous structures can be visualized using color-mapping of 4D-CTA and proves to be accurate for the detection of cranial AVFs.
Martin-lahoz, J.
- Adult BrainOpen AccessWidespread Increased Diffusivity Reveals Early Cortical Degeneration in Huntington DiseaseF. Sampedro, S. Martínez-Horta, J. Perez-Perez, A. Horta-Barba, J. Martin-Lahoz, A. Alonso-Solís, I. Corripio, B. Gomez-Anson and J. KulisevskyAmerican Journal of Neuroradiology September 2019, 40 (9) 1464-1468; DOI: https://doi.org/10.3174/ajnr.A6168
Martinez-horta, S.
- Adult BrainOpen AccessWidespread Increased Diffusivity Reveals Early Cortical Degeneration in Huntington DiseaseF. Sampedro, S. Martínez-Horta, J. Perez-Perez, A. Horta-Barba, J. Martin-Lahoz, A. Alonso-Solís, I. Corripio, B. Gomez-Anson and J. KulisevskyAmerican Journal of Neuroradiology September 2019, 40 (9) 1464-1468; DOI: https://doi.org/10.3174/ajnr.A6168
Marzi, C.
- LETTERYou have accessCan Trace-Weighted Images Be Used to Estimate Diffusional Kurtosis Imaging–Derived Indices of Non-Gaussian Water Diffusion in Head and Neck Cancer?M. Giannelli, C. Marzi, M. Mascalchi, S. Diciotti and C. TessaAmerican Journal of Neuroradiology September 2019, 40 (9) E44-E45; DOI: https://doi.org/10.3174/ajnr.A6167