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Journals Journal of Neuroimaging : Offi...

Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging

https://read.qxmd.com/read/36991548/transcranial-doppler-ultrasonography-in-tuberculous-meningitis-a-systematic-review
#21
REVIEW
Stephanie Patricia J Badillo, Jose C Navarro, Adnan I Qureshi, Vijay K Sharma
BACKGROUND AND PURPOSE: Tuberculous (TB) meningitis is a common type of central nervous system infection, and may cause multifocal cerebral infarctions due to the involvement of cerebral vasculature. This systematic review aims to review and synthesize the utility of transcranial Doppler (TCD) in TB meningitis. METHODS: This is a systematic review of observational studies on the use of TCD in patients diagnosed to have TB meningitis. Study outcomes included changes in TCD parameters during stages of TB meningitis, frequency of neurologic complications (such as hydrocephalus, vasculopathy, and cerebral infarction), correlation of TCD findings with neuroimaging, and functional outcomes...
March 29, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36978252/double-inversion-recovery-to-detect-cervical-spinal-cord-multiple-sclerosis-lesions
#22
JOURNAL ARTICLE
Shivam Patel, Ian Dimaandal, Tyler Kuhns, Marina Creed, Abner Gershon, Ivan Wolansky, Jaime Imitola, Leo Wolansky
BACKGROUND AND PURPOSE: Magnetic resonance imaging (MRI) plays a key role in diagnosing and monitoring multiple sclerosis (MS). Double inversion recovery (DIR) is a pulse sequence that has proven highly effective at detecting cortical lesions but is understudied in the spinal cord. We hypothesize that DIR images obtained during brain MRI can be of value in assessing the upper spinal cord of MS patients. METHODS: We retrospectively examined brain MRI exams of 64 patients with established MS, who had also undergone cervical spine MRI...
March 28, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36972143/cranial-nerve-abnormalities-in-spontaneous-intracranial-hypotension-and-their-clinical-relevance
#23
JOURNAL ARTICLE
Najdat Zohbi, Alexander Castilho, Sera Kim, Amit M Saindane, Jason W Allen, Michael J Hoch, Brent D Weinberg
BACKGROUND AND PURPOSE: Spontaneous intracranial hypotension (SIH) is a known cause of headaches and neurologic symptoms, but the frequency of cranial nerve symptoms and abnormalities on magnetic resonance imaging (MRI) has not been well described. The purpose of this study was to document cranial nerve findings in patients with SIH and determine the relationship between imaging findings and clinical symptoms. METHODS: Patients diagnosed with SIH with pre-treatment brain MRI at a single institution from September 2014 to July 2017 were retrospectively reviewed to determine the frequency of clinically significant visual changes/diplopia (cranial nerves 3 and 6) and hearing changes/vertigo (cranial nerve 8)...
March 27, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36939186/baseline-white-matter-function-predicts-short-term-treatment-response-in-first-episode-schizophrenia
#24
JOURNAL ARTICLE
Xu-Sha Wu, Xiao-Wei Kang, Xuan Li, Li-Jun Bai, Yi-Bin Xi, Yan Li, Yong-Qiang Xu, Wen-Zhong Hu, Hong Yin, Ya-Li Lv
BACKGROUND AND PURPOSE: The detection and characterization of functional activities in the gray matter of schizophrenia (SZ) have been widely explored. However, the relationship between resting-state functional signals in the white matter of first-episode SZ and short-term treatment response remains unclear. METHODS: Thirty-six patients with first-episode SZ and 44 matched healthy controls were recruited in this study. Patients were classified as nonresponders and responders based on response to antipsychotic medication during a single hospitalization...
March 20, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36922159/advanced-imaging-of-head-and-neck-infections
#25
REVIEW
Akira Baba, Ryo Kurokawa, Mariko Kurokawa, Scott Reifeiss, Bruno A Policeni, Yoshiaki Ota, Ashok Srinivasan
When head and neck infection is suspected, appropriate imaging contributes to treatment decisions and prognosis. While contrast-enhanced CT is the standard imaging modality for evaluating head and neck infections, MRI can better characterize the skull base, intracranial involvement, and osteomyelitis, implying that these are complementary techniques for a comprehensive assessment. Both CT and MRI are useful in the evaluation of abscesses and thrombophlebitis, while MRI is especially useful in the evaluation of intracranial inflammatory spread/abscess formation, differentiation of abscess from other conditions, evaluation of the presence and activity of inflammation and osteomyelitis, evaluation of mastoid extension in middle ear cholesteatoma, and evaluation of facial neuritis and labyrinthitis...
March 15, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36916873/flat-panel-detector-ct-to-assess-intracranial-hemorrhage-immediately-following-mechanical-thrombectomy
#26
JOURNAL ARTICLE
Violiza Inoa, David Dornbos, Julie DiNitto, David Martineau, Joseph Sullivan, Jacqueline Angel, Vikki G Nolan, Adam S Arthur, Daniel Hoit, Christopher Nickele, Nitin Goyal, Lucas Elijovich
BACKGROUND AND PURPOSE: The risk of symptomatic intracranial hemorrhage (ICH) approaches 5% despite mechanical thrombectomy (MT) efficacy for ischemic stroke secondary to large vessel occlusion. Flat-panel detector CT (FDCT) imaging with Syngo Dyna CT imaging (Siemens Medical Solutions, Malvern, PA) can be used immediately following MT to detect ICH. PURPOSE: To evaluate the accuracy and reliability of FDCT imaging with Dyna CT compared to conventional post-MT CT and MRI...
March 14, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36914383/a-meta-analysis-of-the-role-of-diffusion-tensor-imaging-in-cervical-spinal-cord-compression
#27
REVIEW
Ziqiang Ouyang, Na Zhang, Meihua Li, Tao Hong, Taohui Ouyang, Wei Meng
BACKGROUND AND PURPOSE: At present, the role of diffusion tensor imaging (DTI) remains controversial. This study aimed to confirm the role of DTI by comparing the differences in fractional anisotropy (FA) values between patients with cervical spinal cord compression (CSCC) and healthy individuals. METHODS: A systematic and comprehensive literature search was conducted using the Web of Science, Embase, PubMed, and Cochrane Library databases to compare the mean FA values of patients with CSCC and healthy controls across all compression levels in the cervical spinal cord...
March 13, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36868784/silent-brain-infarcts-after-carotid-or-vertebrobasilar-artery-stenting
#28
JOURNAL ARTICLE
Jae-Chan Ryu, Deok Hee Lee, Jun Young Chang, Dong-Wha Kang, Sun U Kwon, Bum Joon Kim
BACKGROUND AND PURPOSE: Stenting is an important treatment for preventing stroke. However, the effect of vertebrobasilar stenting (VBS) might be limited because of relatively high periprocedural risks. Silent brain infarcts (SBIs) are known as a predictor for future stroke. Because of anatomical differences, factors for SBIs might be different between carotid artery stenting (CAS) and VBS. We compared the characteristics of SBIs between VBS and CAS. METHODS: We included patients who underwent elective VBS or CAS...
March 3, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36859645/transorbital-sonography-and-mri-reliability-to-assess-optic-nerve-sheath-diameter-in-idiopathic-intracranial-hypertension
#29
JOURNAL ARTICLE
Sebastian Niclas Roemer, Erik Bernhard Friedrich, Michael Kettner, Martina Rauzi, Peter Schub, Johann Kulikovski, Daniel Janitschke, Jakob Stögbauer, Piergiorgio Lochner
BACKGROUND AND PURPOSE: The purpose of this study was to evaluate the performance of magnetic resonance imaging (MRI) in measuring the optic nerve sheath diameter (ONSD) compared to the established method transorbital sonography (TOS) in patients with idiopathic intracranial hypertension (IIH). METHODS: Twenty-three patients with IIH were prospectively included applying IIH diagnostic criteria. All patients received a lumbar puncture with assessment of the cerebrospinal fluid (CSF) opening pressure to assure the IIH diagnosis...
March 1, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36465027/brain-18-f-fdg-pet-and-an-optimized-cingulate-island-ratio-to-differentiate-lewy-body-dementia-and-alzheimer-s-disease
#30
JOURNAL ARTICLE
Katharina Woyk, Carsten Oliver Sahlmann, Niels Hansen, Charles Timäus, Sebastian Johannes Müller, Eya Khadhraoui, Jens Wiltfang, Claudia Lange, Caroline Bouter
BACKGROUND AND PURPOSE: The diagnosis of Dementia with Lewy Bodies (DLB) is challenging due to various clinical presentations and clinical and neuropathological features that overlap with Alzheimer's disease (AD). The use of 18 F-Fluorodeoxyglucose-PET (18 F-FDG-PET) can be limited due to similar patterns in DLB and AD. However, metabolism in the posterior cingulate cortex is known to be relatively preserved in DLB and visual assessment of the "cingulate island sign" became a helpful tool in the analysis of 18F-FDG-PET...
March 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36456168/cerebral-cavernous-malformations-typical-and-atypical-imaging-characteristics
#31
REVIEW
Danila Kuroedov, Bruno Cunha, Jaime Pamplona, Mauricio Castillo, Joana Ramalho
Cavernous malformations (CMs) are benign vascular malformations that maybe seen anywhere in the central nervous system. They are dynamic lesions, growing or shrinking over time and only rarely remaining stable. Size varies from a few millimeters to a few centimeters. CMs can be sporadic or familial, and while most of them are congenital, de novo and acquired lesions may also be seen. Etiology is still unknown. A genetic molecular mechanism has been proposed since a cerebral cavernous malformation gene loss of function was found in both familial and sporadic lesions...
March 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36813467/brain-growth-in-fetuses-with-congenital-diaphragmatic-hernia
#32
JOURNAL ARTICLE
Fedel Machado-Rivas, Jungwhan J Choi, Maria Alejandra Bedoya, Lina Acosta Buitrago, Clemente Velasco-Annis, Onur Afacan, Carol Barnewolt, Judy Estroff, Simon K Warfield, Ali Gholipour, Camilo Jaimes
BACKGROUND AND PURPOSE: To perform a volumetric evaluation of the brain in fetuses with right or left congenital diaphragmatic hernia (CDH), and to compare brain growth trajectories to normal fetuses. METHODS: We identified fetal MRIs performed between 2015 and 2020 in fetuses with a diagnosis of CDH. Gestational age (GA) range was 19-40 weeks. Control subjects consisted of normally developing fetuses between 19 and 40 weeks recruited for a separate prospective study...
February 22, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36813464/evaluation-of-eight-registration-algorithms-applied-to-the-insula-and-insular-gyri
#33
JOURNAL ARTICLE
KiChang Kang, Anish Sathe, Shreya Mandloi, Jennifer Muller, Glenn Arturo Gonzalez Ozuna, Daniel Franco, Christopher Miller, Ashwini Sharan, Feroze B Mohamed, Scott Faro, Mahdi Alizadeh, Chengyuan Wu
BACKGROUND AND PURPOSE: Spatial registration is crucial in establishing correspondence between anatomic brain regions for research and clinical purposes. The insular cortex (IC) and gyri (IG) are implicated in various functions and pathologies including epilepsy. Optimizing registration of the insula to a common atlas can improve the accuracy of group-level analyses. Here, we compared six nonlinear, one linear, and one semiautomated registration algorithms (RAs) for registering the IC and IG to the Montreal Neurologic Institute standard space (MNI152)...
February 22, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36811338/improved-cochlear-implant-electrode-localization-using-coregistration-of-pre-and-postoperative-ct
#34
JOURNAL ARTICLE
Paul J Farnsworth, John C Benson, Ashley M Nassiri, Matthew L Carlson, Nicholas B Larson, John I Lane
BACKGROUND AND PURPOSE: Artifact from cochlear implant electrodes degrades image resolution on CT. Here, we describe the use of coregistered pre- and postoperative CT images to reduce metallic artifact from the electrodes to assess its position more accurately within the cochlear lumen. METHODS: Pre- and postoperative CTs were reviewed after coregistration/overlay of both exams. Images were evaluated by two neuroradiologists for scalar location of electrodes tip (± scalar translocation), tip fold over, and angular depth of insertion...
February 22, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36806312/neuroimaging-features-of-foxr2-activated-cns-neuroblastoma-a-case-series-and-systematic-review
#35
REVIEW
Kenichiro Shimazaki, Ryo Kurokawa, Andrea Franson, Mariko Kurokawa, Akira Baba, Laura Bou-Maroun, John Kim, Toshio Moritani
BACKGROUND AND PURPOSE: CNS neuroblastoma, FOXR2-activated (CNS NB-FOXR2) is a newly recognized tumor type in the 2021 World Health Organization classification of central nervous system (CNS) tumors. We aimed to investigate the clinical and neuroimaging findings of CNS NB-FOXR2 and systematically review previous publications and three new cases. METHODS: We searched PubMed, SCOPUS, and Embase databases for patients with pathologically proven CNS NB-FOXR2 with sufficient information for preoperative CT and MRI findings...
February 20, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36797047/intraarterial-thrombolytics-as-an-adjunct-to-mechanical-thrombectomy-in-patients-with-basilar-artery-occlusion
#36
JOURNAL ARTICLE
Adnan I Qureshi, Abdullah Lodhi, Xiaoyu Ma, Chunrong Tao, Rui Li, Pengfei Xu, Wei Hu
BACKGROUND AND PURPOSE: There are limited data regarding safety and effectiveness of concurrent intraarterial thrombolytics as adjunct to mechanical thrombectomy in acute ischemic stroke patients with basilar artery occlusion. METHODS: We analyzed data from a prospective multicenter registry to assess the independent effect of intraarterial thrombolysis on (1) favorable outcome (modified Rankin Scale 0-3) at 90 days; (2) symptomatic intracranial hemorrhage (sICH) within 72 hours; and (3) death within 90 days post-enrollment after adjustment for potential confounders...
February 16, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36779613/ct-perfusion-extended-window-ischemic-core-estimation-bayesian-algorithm-versus-oscillation-index-singular-value-decomposition
#37
JOURNAL ARTICLE
Nicola Morelli, Paolo Immovilli, Elena Giacopazzi, Eugenia Rota, Marco Spallazzi, Domenica Zaino, Davide Colombi, Donata Guidetti, Emanuele Michieletti
BACKGROUND AND PURPOSE: Ischemic core estimation by CT perfusion (CTp) is a diagnostic challenge, mainly because of the intrinsic noise associated with perfusion data. However, an accurate and reliable quantification of the ischemic core is critical in the selection of patients for reperfusion therapies. Our study aimed at assessing the diagnostic accuracy of two different CTp postprocessing algorithms, that is, the Bayesian Method and the oscillation index singular value decomposition (oSVD)...
February 13, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36746670/fronto-striatal-damage-may-contribute-to-resistance-to-fatigue-lowering-medications-in-multiple-sclerosis
#38
JOURNAL ARTICLE
Miklos Palotai, Diana Pintye, Bonnie Glanz, Tanuja Chitnis, Charles R G Guttmann
BACKGROUND AND PURPOSE: Commonly used fatigue-lowering medications have not been proven effective in treating multiple sclerosis (MS)-related fatigue. A neuroanatomical basis for treatment-resistant fatigue in MS has not been explored. The aim of this study was to investigate the association between brain diffusion abnormality patterns and resistance to fatigue-lowering treatment. METHODS: Retrospective patient stratification: 1. treatment-resistant (n = 22) received anti-fatigue and/or anti-depressant and/or anxiolytic medication and the latest two Modified Fatigue Impact Scale (MFIS) score≥38; 2...
February 6, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36715449/t-1-t-2-ratio-from-3t-mri-improves-multiple-sclerosis-cortical-lesion-contrast
#39
JOURNAL ARTICLE
Abigail R Manning, Erin S Beck, Matthew K Schindler, Govind Nair, Kelly A Clark, Prasanna Parvathaneni, Daniel S Reich, Russell T Shinohara, Andrew J Solomon
BACKGROUND AND PURPOSE: Cortical demyelinated lesions are prevalent in multiple sclerosis (MS), associated with disability, and have recently been incorporated into MS diagnostic criteria. Presently, advanced and ultrahigh-field MRIs-not routinely available in clinical practice-are the most sensitive methods for detection of cortical lesions. Approaches utilizing MRI sequences obtainable in routine clinical practice remain an unmet need. We plan to assess the sensitivity of the ratio of T1 -weighted and T2 -weighted (T1 /T2 ) signal intensity for focal cortical lesions in comparison to other high-field imaging methods...
January 30, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://read.qxmd.com/read/36710075/objective-biomarkers-of-depression-a-study-of-granger-causality-and-wavelet-coherence-in-resting-state-fmri
#40
JOURNAL ARTICLE
Ramona Cîrstian, Jesper Pilmeyer, Antoine Bernas, Jacobus F A Jansen, Marcel Breeuwer, Albert P Aldenkamp, Svitlana Zinger
BACKGROUND AND PURPOSE: The lack of a robust diagnostic biomarker makes understanding depression from a neurobiological standpoint an important goal, especially in the context of brain imaging. METHODS: In this study, we aim to create novel image-based features for objective diagnosis of depression. Resting-state network time series are used to investigate neurodynamics with the help of wavelet coherence and Granger causality (G-causality). Three new features are introduced: total wavelet coherence, wavelet lead coherence, and wavelet coherence blob analysis...
January 29, 2023: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
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