Index by author
Lachman, N.
- Head & NeckYou have accessIncreased Curvature of the Tentorium Cerebelli in Idiopathic Intracranial HypertensionP.P. Morris, N. Lachman, D.F. Black, R.A. Carter, J. Port and N. CampeauAmerican Journal of Neuroradiology September 2017, 38 (9) 1789-1793; DOI: https://doi.org/10.3174/ajnr.A5289
Lansley, J.A.
- Head & NeckYou have accessSigmoid Sinus Diverticulum, Dehiscence, and Venous Sinus Stenosis: Potential Causes of Pulsatile Tinnitus in Patients with Idiopathic Intracranial Hypertension?J.A. Lansley, W. Tucker, M.R. Eriksen, P. Riordan-Eva and S.E.J. ConnorAmerican Journal of Neuroradiology September 2017, 38 (9) 1783-1788; DOI: https://doi.org/10.3174/ajnr.A5277
Larsson, E.-M.
- Adult BrainOpen AccessMRI of the Swallow Tail Sign: A Useful Marker in the Diagnosis of Lewy Body Dementia?S. Shams, D. Fällmar, S. Schwarz, L.-O. Wahlund, D. van Westen, O. Hansson, E.-M. Larsson and S. HallerAmerican Journal of Neuroradiology September 2017, 38 (9) 1737-1741; DOI: https://doi.org/10.3174/ajnr.A5274
Lee, B.B.
- SpineOpen AccessCharacteristics of CSF Velocity-Time Profile in Posttraumatic SyringomyeliaJ. Yeo, S. Cheng, S. Hemley, B.B. Lee, M. Stoodley and L. BilstonAmerican Journal of Neuroradiology September 2017, 38 (9) 1839-1844; DOI: https://doi.org/10.3174/ajnr.A5304
Lee, J.
- InterventionalYou have accessRisk Factor Analysis of Recanalization Timing in Coiled Aneurysms: Early versus Late RecanalizationJ.P. Jeon, Y.D. Cho, D.H. Yoo, J. Moon, J. Lee, W.-S. Cho, H.-S. Kang, J.E. Kim and M.H. HanAmerican Journal of Neuroradiology September 2017, 38 (9) 1765-1770; DOI: https://doi.org/10.3174/ajnr.A5267
Lee, J.H.
- Head & NeckYou have accessEthanol Ablation of Ranulas: Short-Term Follow-Up Results and Clinicoradiologic Factors for Successful OutcomeK.H. Ryu, J.H. Lee, J.Y. Lee, S.R. Chung, M.S. Chung, H.W. Kim, Y.J. Choi and J.H. BaekAmerican Journal of Neuroradiology September 2017, 38 (9) 1794-1798; DOI: https://doi.org/10.3174/ajnr.A5292
Lee, J.Y.
- Head & NeckYou have accessEthanol Ablation of Ranulas: Short-Term Follow-Up Results and Clinicoradiologic Factors for Successful OutcomeK.H. Ryu, J.H. Lee, J.Y. Lee, S.R. Chung, M.S. Chung, H.W. Kim, Y.J. Choi and J.H. BaekAmerican Journal of Neuroradiology September 2017, 38 (9) 1794-1798; DOI: https://doi.org/10.3174/ajnr.A5292
Lerario, M.P.
- Adult BrainOpen AccessAssociation between Intracranial Atherosclerotic Calcium Burden and Angiographic Luminal Stenosis MeasurementsH. Baradaran, P. Patel, G. Gialdini, A. Giambrone, M.P. Lerario, B.B. Navi, J.K. Min, C. Iadecola, H. Kamel and A. GuptaAmerican Journal of Neuroradiology September 2017, 38 (9) 1723-1729; DOI: https://doi.org/10.3174/ajnr.A5310
Li, L.
- EDITOR'S CHOICEAdult BrainOpen AccessRelationship between Glioblastoma Heterogeneity and Survival Time: An MR Imaging Texture AnalysisY. Liu, X. Xu, L. Yin, X. Zhang, L. Li and H. LuAmerican Journal of Neuroradiology September 2017, 38 (9) 1695-1701; DOI: https://doi.org/10.3174/ajnr.A5279
A group of 133 patients with primary glioblastoma who underwent postcontrast T1-weighted imaging (acquired before treatment) and whose data were filed with the survival times were selected from the Cancer Genome Atlas. On the basis of overall survival, the patients were divided into 2 groups: long-term (≥12 months, n = 67) and short-term (<12 months, n = 66) survival. To measure heterogeneity, the authors extracted 3 types of textures, co-occurrence matrix, run-length matrix, and histogram, reflecting local, regional, and global spatial variations, respectively. Then the support vector machine classification was used to determine how different texture types perform in differentiating the 2 groups. The results suggest that local and regional heterogeneity may play an important role in the survival stratification of patients with glioblastoma.
Li, S.
- EDITOR'S CHOICEAdult BrainOpen AccessAmide Proton Transfer Imaging Allows Detection of Glioma Grades and Tumor Proliferation: Comparison with Ki-67 Expression and Proton MR Spectroscopy ImagingC. Su, C. Liu, L. Zhao, J. Jiang, J. Zhang, S. Li, W. Zhu and J. WangAmerican Journal of Neuroradiology September 2017, 38 (9) 1702-1709; DOI: https://doi.org/10.3174/ajnr.A5301
Amide proton transfer–weighted imaging (APTWI) is a novel molecular MR imaging technique developed to detect and quantitatively visualize endogenous proteins and peptides. APTWI is usually reported in terms of asymmetry in the magnetization transfer ratio at 3.5 ppm. This study included 42 patients with low-grade (n = 28) or high-grade (n = 14) glioma, all of whom underwent conventional MR imaging, proton MR spectroscopy imaging, and amide proton transfer–weighted imaging on the same 3T scanner within 2 weeks before surgery. The asymmetric magnetization transfer ratio at 3.5 ppm values measured by different readers showed good concordance and were significantly higher in high-grade gliomas than in low-grade gliomas, with sensitivity and specificity values of 92.9% and 71.4%, respectively, at a cutoff value of 2.93%. The asymmetric magnetization transfer ratio at 3.5 ppm may serve as a potential biomarker not only for assessing proliferation, but also for predicting histopathologic grades in gliomas.
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