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Article ; Online: Assessment of brain structure and volume reveals neurodevelopmental abnormalities in preterm infants with low-grade intraventricular hemorrhage.

Zhang, Chunxiang / Zhu, Zitao / Wang, Kaiyu / Moon, Brianna F / Zhang, Bohao / Shen, Yanyong / Wang, Zihe / Zhao, Xin / Zhang, Xiaoan

Scientific reports

2024 Volume 14, Issue 1, Page(s) 5709

Abstract: There is increasing evidence of abnormal neurodevelopmental outcomes in preterm infants with low-grade intraventricular hemorrhage (IVH). The purpose of the study was to explore whether brain microstructure and volume are associated with neuro-behavioral ...

Abstract	There is increasing evidence of abnormal neurodevelopmental outcomes in preterm infants with low-grade intraventricular hemorrhage (IVH). The purpose of the study was to explore whether brain microstructure and volume are associated with neuro-behavioral outcomes at 40 weeks corrected gestational age in preterm infants with low-grade IVH. MR imaging at term-equivalent age (TEA) was performed in 25 preterm infants with mild IVH (Papile grading I/II) and 40 control subjects without IVH. These subjects all had neonatal behavioral neurological assessment (NBNA) at 40 weeks' corrected age. Microstructure and volume evaluation of the brain were performed by using diffusion kurtosis imaging (DKI) and Synthetic MRI. Correlations among microstructure parameters, volume, and developmental outcomes were explored by using Spearman's correlation. In preterm infants with low-grade IVH, the volume of brain parenchymal fraction (BPF) was reduced. In addition, mean kurtosis (MK), fractional anisotropy (FA), radial kurtosis (RK), axial kurtosis (AK) in several major brain regions were reduced, while mean diffusivity (MD) was increased (P < 0.05). BPF, RK in the cerebellum, MK in the genu of the corpus callosum, and MK in the thalamus of preterm infants with low-grade IVH were associated with lower NBNA scores (r = 0.831, 0.836, 0.728, 0.772, P < 0.05). DKI and Synthetic MRI can quantitatively evaluate the microstructure alterations and brain volumes in preterm infants with low-grade IVH, which provides clinicians with a more comprehensive and accurate neurobehavioral assessment of preterm infants with low-grade IVH.
MeSH term(s)	Infant ; Humans ; Infant, Newborn ; Infant, Premature ; Brain/diagnostic imaging ; Cerebral Hemorrhage/diagnostic imaging ; Cerebral Hemorrhage/complications ; Diffusion Tensor Imaging/methods ; Magnetic Resonance Imaging ; Infant, Premature, Diseases/diagnostic imaging
Language	English
Publishing date	2024-03-08
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-024-56148-5
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Article ; Online: Quantitative susceptibility mapping using plug-and-play alternating direction method of multipliers.

Kamesh Iyer, Srikant / Moon, Brianna F / Josselyn, Nicholas / Kurtz, Robert M / Song, Jae W / Ware, Jeffrey B / Nabavizadeh, S Ali / Witschey, Walter R

Scientific reports

2022 Volume 12, Issue 1, Page(s) 21679

Abstract: Quantitative susceptibility mapping employs regularization to reduce artifacts, yet many recent denoisers are unavailable for reconstruction. We developed a plug-and-play approach to QSM reconstruction (PnP QSM) and show its flexibility using several ... ...

Abstract	Quantitative susceptibility mapping employs regularization to reduce artifacts, yet many recent denoisers are unavailable for reconstruction. We developed a plug-and-play approach to QSM reconstruction (PnP QSM) and show its flexibility using several patch-based denoisers. We developed PnP QSM using alternating direction method of multiplier framework and applied collaborative filtering denoisers. We apply the technique to the 2016 QSM Challenge and in 10 glioblastoma multiforme datasets. We compared its performance with four published QSM techniques and a multi-orientation QSM method. We analyzed magnetic susceptibility accuracy using brain region-of-interest measurements, and image quality using global error metrics. Reconstructions on glioblastoma data were analyzed using ranked and semiquantitative image grading by three neuroradiologist observers to assess image quality (IQ) and sharpness (IS). PnP-BM4D QSM showed good correlation (β = 0.84, R
MeSH term(s)	Humans ; Brain Mapping/methods ; Image Processing, Computer-Assisted/methods ; Magnetic Resonance Imaging/methods ; Algorithms ; Glioblastoma/diagnostic imaging ; Brain
Language	English
Publishing date	2022-12-15
Publishing country	England
Document type	Journal Article ; Research Support, N.I.H., Extramural
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-022-22778-w
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Article: Evaluation of white matter microstructural alterations in premature infants with necrotizing enterocolitis.

Zhang, Chunxiang / Zhao, Xin / Zhu, Zitao / Wang, Kaiyu / Moon, Brianna F / Zhang, Bohao / Sadat, Sayed Noman / Guo, Jinxia / Bao, Jieaoxue / Zhang, Ding / Zhang, Xiaoan

Quantitative imaging in medicine and surgery

2023 Volume 13, Issue 10, Page(s) 6412–6423

Abstract: Background: Preterm infants with necrotizing enterocolitis (NEC) are at high risk of adverse neurodevelopmental outcomes. The aim of this study was to explore the value of diffusion tensor imaging (DTI) combined with serum C-reactive protein (CRP) and ... ...

Abstract	Background: Preterm infants with necrotizing enterocolitis (NEC) are at high risk of adverse neurodevelopmental outcomes. The aim of this study was to explore the value of diffusion tensor imaging (DTI) combined with serum C-reactive protein (CRP) and procalcitonin (PCT) in evaluating alterations of white matter (WM) microstructure in preterm infants with NEC. Methods: A retrospective cross-sectional study was conducted in which all participants were consecutively enrolled at The Third Affiliated Hospital of Zhengzhou University from June 2017 and October 2021. Data from 30 preterm infants with NEC [mean gestational age at birth 31.41±1.15 weeks; mean age at magnetic resonance imaging (MRI) 37.53±3.08 weeks] and 40 healthy preterm infants with no NEC were recorded (mean gestational age at birth 32.27±2.09 weeks; mean age at MRI 37.15±3.23 weeks). WM was used to obtain the fractional anisotropy (FA) and mean diffusivity (MD) values of the regions of interest (ROIs). Additionally, serum levels of CRP and PCT were determined. Spearman correlation analysis was performed between the WM-derived parameters, CRP level, and the PCT serum index. Results: Preterm infants with NEC had reduced FA values and elevated MD values in WM regions [posterior limbs of the internal capsule (PLIC), lentiform nucleus (LN), frontal white matter (FWM)] compared to the control group (P<0.05). Additionally, the FA of the PLIC was negatively correlated with serum CRP (r=-0.846; P<0.05) and PCT (r=-0.843; P<0.05). Meanwhile, the MD of PLIC was positively correlated with serum CRP (r=0.743; P<0.05) and PCT (r=0.743; P<0.05, respectively). The area under the curve (AUC) of FA and MD combined with CRP and PCT in the diagnosis of WM microstructure alterations with NEC was 0.968, representing a considerable improvement in predicted efficacy over single indicators, including FA [AUC: 0.938; 95% confidence interval (CI): 0.840-0.950], MD (AUC: 0.807; 95% CI: 0.722-0.838), CRP (AUC: 0.867; 95% CI: 0.822-0.889), and PCT (AUC: 0.706; 95% CI: 0.701-0.758). Conclusions: WM can noninvasively and quantitatively assess the WM microstructure alterations in preterm infants with NEC. WM combined with serum CRP and PCT demonstrated superior performance in detecting and evaluating WM microstructure alterations in preterm infants with NEC.
Language	English
Publishing date	2023-09-22
Publishing country	China
Document type	Journal Article
ZDB-ID	2653586-5
ISSN	2223-4306 ; 2223-4292
ISSN (online)	2223-4306
ISSN	2223-4292
DOI	10.21037/qims-22-195
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Article ; Online: Gadolinium-based Contrast Agent Biodistribution and Speciation in Rats.

Le Fur, Mariane / Moon, Brianna F / Zhou, Iris Y / Zygmont, Samantha / Boice, Avery / Rotile, Nicholas J / Ay, Ilknur / Pantazopoulos, Pamela / Feldman, Adam S / Rosales, Ivy A / How, Ira Doressa Anne L / Izquierdo-Garcia, David / Hariri, Lida P / Astashkin, Andrei V / Jackson, Brian P / Caravan, Peter

Radiology

2023 Volume 309, Issue 1, Page(s) e230984

Abstract: Background Gadolinium retention has been observed in organs of patients with normal renal function; however, the biodistribution and speciation of residual gadolinium is not well understood. Purpose To compare the pharmacokinetics, distribution, and ... ...

Abstract	Background Gadolinium retention has been observed in organs of patients with normal renal function; however, the biodistribution and speciation of residual gadolinium is not well understood. Purpose To compare the pharmacokinetics, distribution, and speciation of four gadolinium-based contrast agents (GBCAs) in healthy rats using MRI, mass spectrometry, elemental imaging, and electron paramagnetic resonance (EPR) spectroscopy. Materials and Methods In this prospective animal study performed between November 2021 and September 2022, 32 rats received a dose of gadoterate, gadoteridol, gadobutrol, or gadobenate (2.0 mmol/kg) for 10 consecutive days. GBCA-naive rats were used as controls. Three-dimensional T1-weighted ultrashort echo time images and R2* maps of the kidneys were acquired at 3, 17, 34, and 52 days after injection. At 17 and 52 days after injection, gadolinium concentrations in 23 organ, tissue, and fluid specimens were measured with mass spectrometry; gadolinium distribution in the kidneys was evaluated using elemental imaging; and gadolinium speciation in the kidney cortex was assessed using EPR spectroscopy. Data were assessed with analysis of variance, Kruskal-Wallis test, analysis of response profiles, and Pearson correlation analysis. Results For all GBCAs, the kidney cortex exhibited higher gadolinium retention at 17 days after injection than all other specimens tested (mean range, 350-1720 nmol/g vs 0.40-401 nmol/g;
MeSH term(s)	Rats ; Humans ; Animals ; Contrast Media ; Gadolinium/pharmacokinetics ; Tissue Distribution ; Prospective Studies ; Brain ; Organometallic Compounds ; Gadolinium DTPA ; Magnetic Resonance Imaging/methods
Chemical Substances	Contrast Media ; gadoteridol (0199MV609F) ; Gadolinium (AU0V1LM3JT) ; Organometallic Compounds ; Gadolinium DTPA (K2I13DR72L)
Language	English
Publishing date	2023-11-20
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
ZDB-ID	80324-8
ISSN	1527-1315 ; 0033-8419
ISSN (online)	1527-1315
ISSN	0033-8419
DOI	10.1148/radiol.230984
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Article: Tailored chemical reactivity probes for systemic imaging of aldehydes in fibroproliferative diseases.

bioRxiv : the preprint server for biology

2023

Abstract: During fibroproliferation, protein-associated extracellular aldehydes are formed by the oxidation of lysine residues on extracellular matrix proteins to form the aldehyde allysine. Here we report three Mn(II)-based, small molecule magnetic resonance (MR) ...

Abstract	During fibroproliferation, protein-associated extracellular aldehydes are formed by the oxidation of lysine residues on extracellular matrix proteins to form the aldehyde allysine. Here we report three Mn(II)-based, small molecule magnetic resonance (MR) probes that contain α-effect nucleophiles to target allysine in vivo and report on tissue fibrogenesis. We used a rational design approach to develop turn-on probes with a 4-fold increase in relaxivity upon targeting. The effects of aldehyde condensation rate and hydrolysis kinetics on the performance of the probes to detect tissue fibrogenesis noninvasively in mouse models were evaluated by a systemic aldehyde tracking approach. We showed that for highly reversible ligations, off-rate was a stronger predictor of in vivo efficiency, enabling histologically validated, three-dimensional characterization of pulmonary fibrogenesis throughout the entire lung. The exclusive renal elimination of these probes allowed for rapid imaging of liver fibrosis. Reducing the hydrolysis rate by forming an oxime bond with allysine enabled delayed phase imaging of kidney fibrogenesis. The imaging efficacy of these probes, coupled with their rapid and complete elimination from the body, make them strong candidates for clinical translation.
Language	English
Publishing date	2023-04-21
Publishing country	United States
Document type	Preprint
DOI	10.1101/2023.04.20.537707
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Article ; Online: Tailored Chemical Reactivity Probes for Systemic Imaging of Aldehydes in Fibroproliferative Diseases.

Journal of the American Chemical Society

2023 Volume 145, Issue 38, Page(s) 20825–20836

Abstract	During fibroproliferation, protein-associated extracellular aldehydes are formed by the oxidation of lysine residues on extracellular matrix proteins to form the aldehyde allysine. Here we report three Mn(II)-based, small-molecule magnetic resonance probes that contain α-effect nucleophiles to target allysine in vivo and report on tissue fibrogenesis. We used a rational design approach to develop turn-on probes with a 4-fold increase in relaxivity upon targeting. The effects of aldehyde condensation rate and hydrolysis kinetics on the performance of the probes to detect tissue fibrogenesis non-invasively in mouse models were evaluated by a systemic aldehyde tracking approach. We showed that, for highly reversible ligations, off-rate was a stronger predictor of in vivo efficiency, enabling histologically validated, three-dimensional characterization of pulmonary fibrogenesis throughout the entire lung. The exclusive renal elimination of these probes allowed for rapid imaging of liver fibrosis. Reducing the hydrolysis rate by forming an oxime bond with allysine enabled delayed phase imaging of kidney fibrogenesis. The imaging efficacy of these probes, coupled with their rapid and complete elimination from the body, makes them strong candidates for clinical translation.
MeSH term(s)	Mice ; Animals ; Aldehydes ; 2-Aminoadipic Acid/chemistry ; Magnetic Resonance Imaging ; Lung
Chemical Substances	allysine (425I4Y24YZ) ; Aldehydes ; 2-Aminoadipic Acid (1K7B1OED4N)
Language	English
Publishing date	2023-08-17
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
ZDB-ID	3155-0
ISSN	1520-5126 ; 0002-7863
ISSN (online)	1520-5126
ISSN	0002-7863
DOI	10.1021/jacs.3c04964
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Article ; Online: Classification of Myocardial

Josselyn, Nicholas / MacLean, Matthew T / Jean, Christopher / Fuchs, Ben / Moon, Brianna F / Hwuang, Eileen / Iyer, Srikant Kamesh / Litt, Harold / Han, Yuchi / Kaghazchi, Fatemeh / Bravo, Paco E / Witschey, Walter R

Radiology. Artificial intelligence

2021 Volume 3, Issue 4, Page(s) e200148

Abstract: Purpose: To perform automated myocardial segmentation and uptake classification from whole-body fluorine 18 fluorodeoxyglucose (FDG) PET.: Materials and methods: In this retrospective study, consecutive patients who underwent FDG PET imaging for ... ...

Abstract	Purpose: To perform automated myocardial segmentation and uptake classification from whole-body fluorine 18 fluorodeoxyglucose (FDG) PET. Materials and methods: In this retrospective study, consecutive patients who underwent FDG PET imaging for oncologic indications were included (July-August 2018). The left ventricle (LV) on whole-body FDG PET images was manually segmented and classified as showing no myocardial uptake, diffuse uptake, or partial uptake. A total of 609 patients (mean age, 64 years ± 14 [standard deviation]; 309 women) were included and split between training (60%, 365 patients), validation (20%, 122 patients), and testing (20%, 122 patients) datasets. Two sequential neural networks were developed to automatically segment the LV and classify the myocardial uptake pattern using segmentation and classification training data provided by human experts. Linear regression was performed to correlate findings from human experts and deep learning. Classification performance was evaluated using receiver operating characteristic (ROC) analysis. Results: There was moderate agreement of uptake pattern between experts and deep learning (as a fraction of correctly categorized images) with 78% (36 of 46) for no uptake, 71% (34 of 48) for diffuse uptake, and 71% (20 of 28) for partial uptake. There was no bias in LV volume for partial or diffuse uptake categories Conclusion: Deep learning was able to segment and classify myocardial uptake patterns on FDG PET images.
Language	English
Publishing date	2021-03-31
Publishing country	United States
Document type	Journal Article
ISSN	2638-6100
ISSN (online)	2638-6100
DOI	10.1148/ryai.2021200148
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Article ; Online: MR susceptibility imaging for detection of tumor-associated macrophages in glioblastoma.

Nazem, Amir / Guiry, Samantha C / Pourfathi, Mehrdad / Ware, Jeffrey B / Anderson, Hannah / Iyer, Srikant Kamesh / Moon, Brianna F / Fan, Yi / Witschey, Walter R / Rizi, Rahim / Bagley, Stephen J / Desai, Arati / O'Rourke, Donald M / Brem, Steven / Nasrallah, MacLean / Nabavizadeh, Ali

Journal of neuro-oncology

2022 Volume 156, Issue 3, Page(s) 645–653

Abstract: Purpose: Tumor-associated macrophages (TAMs) are a key component of glioblastoma (GBM) microenvironment. Considering the differential role of different TAM phenotypes in iron metabolism with the M1 phenotype storing intracellular iron, and M2 phenotype ... ...

Abstract	Purpose: Tumor-associated macrophages (TAMs) are a key component of glioblastoma (GBM) microenvironment. Considering the differential role of different TAM phenotypes in iron metabolism with the M1 phenotype storing intracellular iron, and M2 phenotype releasing iron in the tumor microenvironment, we investigated MRI to quantify iron as an imaging biomarker for TAMs in GBM patients. Methods: 21 adult patients with GBM underwent a 3D single echo gradient echo MRI sequence and quantitative susceptibility maps were generated. In 3 subjects, ex vivo imaging of surgical specimens was performed on a 9.4 Tesla MRI using 3D multi-echo GRE scans, and R2* (1/T2) maps were generated. Each specimen was stained with hematoxylin and eosin, as well as CD68, CD86, CD206, and L-Ferritin. Results:* Significant positive correlation was observed between mean susceptibility for the tumor enhancing zone and the L-ferritin positivity percent (r = 0.56, p = 0.018) and the combination of tumor's enhancing zone and necrotic core and the L-Ferritin positivity percent (r = 0.72; p = 0.001). The mean susceptibility significantly correlated with positivity percent for CD68 (ρ = 0.52, p = 0.034) and CD86 (r = 0.7 p = 0.001), but not for CD206 (ρ = 0.09; p = 0.7). There was a positive correlation between mean R2* values and CD68 positive cell counts (r = 0.6, p = 0.016). Similarly, mean R2* values significantly correlated with CD86 (r = 0.54, p = 0.03) but not with CD206 (r = 0.15, p = 0.5). Conclusions: This study demonstrated the potential of MR quantitative susceptibility mapping as a non-invasive method for in vivo TAM quantification and phenotyping. Validation of these findings with large multicenter studies is needed.
MeSH term(s)	Adult ; Apoferritins/metabolism ; Biomarkers/metabolism ; Brain Neoplasms/diagnostic imaging ; Brain Neoplasms/pathology ; Glioblastoma/diagnostic imaging ; Glioblastoma/pathology ; Humans ; Iron/metabolism ; Magnetic Resonance Imaging/methods ; Reproducibility of Results ; Tumor-Associated Macrophages
Chemical Substances	Biomarkers ; Apoferritins (9013-31-4) ; Iron (E1UOL152H7)
Language	English
Publishing date	2022-01-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	604875-4
ISSN	1573-7373 ; 0167-594X
ISSN (online)	1573-7373
ISSN	0167-594X
DOI	10.1007/s11060-022-03947-3
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Article ; Online: Data-Driven Quantitative Susceptibility Mapping Using Loss Adaptive Dipole Inversion (LADI).

Kamesh Iyer, Srikant / Moon, Brianna F / Josselyn, Nicholas / Ruparel, Kosha / Roalf, David / Song, Jae W / Guiry, Samantha / Ware, Jeffrey B / Kurtz, Robert M / Chawla, Sanjeev / Nabavizadeh, S Ali / Witschey, Walter R

Journal of magnetic resonance imaging : JMRI

2020 Volume 52, Issue 3, Page(s) 823–835

Abstract: Background: Quantitative susceptibility mapping (QSM) uses prior information to reconstruct maps, but prior information may not show pathology and introduce inconsistencies with susceptibility maps, degrade image quality and inadvertently smoothing ... ...

Abstract	Background: Quantitative susceptibility mapping (QSM) uses prior information to reconstruct maps, but prior information may not show pathology and introduce inconsistencies with susceptibility maps, degrade image quality and inadvertently smoothing image features. Purpose: To develop a local field data-driven QSM reconstruction that does not depend on spatial edge prior information. Study type: Retrospective. Subjects, animal models: A dataset from 2016 ISMRM QSM Challenge, 11 patients with glioblastoma, a patient with microbleeds and porcine heart. Sequence/field strength: 3D gradient echo sequence on 3T and 7T scanners. Assessment: Accuracy was compared to Calculation of Susceptibility through Multiple Orientation Sampling (COSMOS), and several published techniques using region of interest (ROI) measurements, root-mean-squared error (RMSE), structural similarity index metric (SSIM), and high-frequency error norm (HFEN). Numerical ranking and semiquantitative image grading was performed by three expert observers to assess overall image quality (IQ) and image sharpness (IS). Statistical tests: Bland-Altman, Friedman test, and Conover multiple comparisons. Results: Loss adaptive dipole inversion (LADI) (β = 0.82, R Conclusion: For neuroimaging applications, LADI preserved image sharpness and fine features in glioblastoma and microbleed patients. LADI performed better at mitigating artifacts in cardiac QSM. Evidence level: 4 TECHNICAL EFFICACY STAGE: 1 J. Magn. Reson. Imaging 2020;52:823-835.
MeSH term(s)	Algorithms ; Animals ; Brain/diagnostic imaging ; Brain Mapping ; Humans ; Image Processing, Computer-Assisted ; Magnetic Resonance Imaging ; Retrospective Studies ; Swine
Language	English
Publishing date	2020-03-04
Publishing country	United States
Document type	Journal Article
ZDB-ID	1146614-5
ISSN	1522-2586 ; 1053-1807
ISSN (online)	1522-2586
ISSN	1053-1807
DOI	10.1002/jmri.27103
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Article ; Online: MR Intracranial Vessel Wall Imaging: A Systematic Review.

Song, Jae W / Moon, Brianna F / Burke, Morgan P / Kamesh Iyer, Srikant / Elliott, Mark A / Shou, Haochang / Messé, Steven R / Kasner, Scott E / Loevner, Laurie A / Schnall, Mitchell D / Kirsch, John E / Witschey, Walter R / Fan, Zhaoyang

Journal of neuroimaging : official journal of the American Society of Neuroimaging

2020 Volume 30, Issue 4, Page(s) 428–442

Abstract: The purpose of this systematic review is to identify trends and extent of variability in intracranial vessel wall MR imaging (VWI) techniques and protocols. Although variability in selection of protocol design and pulse sequence type is known, data on ... ...

Abstract	The purpose of this systematic review is to identify trends and extent of variability in intracranial vessel wall MR imaging (VWI) techniques and protocols. Although variability in selection of protocol design and pulse sequence type is known, data on what and how protocols vary are unknown. Three databases were searched to identify publications using intracranial VWI. Publications were screened by predetermined inclusion/exclusion criteria. Technical development publications were scored for completeness of reporting using a modified Nature Reporting Summary Guideline to assess reproducibility. From 2,431 articles, 122 met the inclusion criteria. Trends over the last 23 years (1995-2018) show increased use of 3-Tesla MR (P < .001) and 3D volumetric T1-weighted acquisitions (P < .001). Most (65%) clinical VWI publications report achieving a noninterpolated in-plane spatial resolution of ≤.55 mm. In the last decade, an increasing number of technical development (n = 20) and 7 Tesla (n = 12) publications have been published, focused on pulse sequence development, improving cerebrospinal fluid suppression, scan efficiency, and imaging ex vivo specimen for histologic validation. Mean Reporting Summary Score for the technical development publications was high (.87, range: .63-1.0) indicating strong scientific technical reproducibility. Innovative work continues to emerge to address implementation challenges. Gradual adoption into the research and scientific community was suggested by a shift in the name in the literature from "high-resolution MR" to "vessel wall imaging," specifying diagnostic intent. Insight into current practices and identifying the extent of technical variability in the literature will help to direct future clinical and technical efforts to address needs for implementation.
MeSH term(s)	Brain/blood supply ; Humans ; Intracranial Arteriosclerosis/diagnostic imaging ; Magnetic Resonance Angiography/methods ; Magnetic Resonance Imaging/methods ; Reproducibility of Results
Language	English
Publishing date	2020-05-11
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Systematic Review
ZDB-ID	1071724-9
ISSN	1552-6569 ; 1051-2284
ISSN (online)	1552-6569
ISSN	1051-2284
DOI	10.1111/jon.12719
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