ISMRM & ISMRT Annual Meeting & Exhibition • 10-15 May 2025 • Honolulu, Hawai'i
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5353. Optimised
fMRI data acquisition to investigate amygdala subregional
functional connectivity in depression
S. Foster, R. Landin-Romero, S. Lewis, A. R. Barreiros, S.
Matis, A. Harris, M. Korgaonkar
Westmead Hospital, Dulwich Hill, Australia
Impact: To diagnose depression, clinicians currently
rely on patients' self-reporting of their symptoms.
Objective measures such as alterations in neurocircuitry can
help differentiate patients who will respond to first-line
pharmaceutical treatments from those for whom other
treatments may be more beneficial
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5354. Optimising
Ex-Vivo Hand Imaging at Ultra-High FIeld (7T)
T. Sava, R. Glarin, C. Thorpe Lowis, B. Moffat, A. Singh, J.
Wilkinson-Berka, L. Johnston
University of Melbourne, Melbourne, Australia
Impact: This
work provides preparation methods and sequence parameters
for imaging of ex-vivo hand specimens at UHF
(7T) for high contrast and spatial resolution. This enables
improved visualisation of anatomical detail and may be
translated to other anatomical regions.
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5355. Impact
of radiographer-led change on cardiac MRI protocol in porcine
stem cell study to investigate myocardial repair
N. Sanaei, A. Min, D. Selvakumar, T. Deshmukh, A. Escalona,
D. Wong, V. Mouangvong, B. Evans, F. Pathan, J. Chong, S.
Foster
Westmead Hospital, Ropes Crossing, Australia
Impact: MRI radiographers are an untapped resource in
many sites performing research. This study demonstrated the
impact of radiographer expertise in protocol development and
subsequent improvement in research data quality and outcomes
in a large and expensive animal study.
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5356. DWI
AND ADC MAPPING IN THE EVALUATION OF STEM CELL THERAPY FOR
ISCHEMIC BRAIN INJURY
M. Aminou, O. Yannick, B. Braha, M. Samuel, A. Farouck, N.
Mathurin
Garoua Regional Hospital, Garoua , Cameroon
Impact: Finding suggested that ADC Maps can be used to
evaluate changes that are not obvious on DWI images. BMSCs
were used to treat HIE and could be tracked using MRI
imaging and labeling them with SPIO-PLL.
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5357. Effect
of Impaired Glymphatic system on the Short-term Prognosis of
Patients with Acute Ischemic Stroke: A Clinical Study Based on
MRI Indices
X. Du, X. Duan
Yan 'an Hospital Affiliated to Kunming Medical University, Kunming, China, China
Impact: Exploring the dynamic changes in the brain's
glymphatic system after stroke helps deepen the
understanding of stroke mechanisms and contributes to
research aimed at improving recovery in ischemic stroke
patients.
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5358. Fast
and automatic coronary artery segmentation using nnU-Net for
non-contrast enhanced magnetic resonance coronary angiography
H. Zhu
The Sixth People's Hospital of Huizhou, Huizhou, China
Impact: The coronary ateries can be correctly segmented
from MRCA by nnU-Net. MRCA combined with nnU-Net can be an
screening tool for coronary heart disease in clinical
practice.
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5359. Free-Breathing
Cardiac Cine Imaging with Pre-Scan Preparation and Post-Scan
Processing: An Easily Implemented Approach in Clinical Practice
X. Dai, Y. Zheng, S. Yang, Y. Jiang, Y. Song, M. Ma, S. Yu
Fuzhou University Affiliated Provincial Hospital, Fuzhou, China
Impact: The FBCCI-2P technique offers effective
free-breathing imaging and provides reliable assessment of
LV function. This approach enables MRI scanners with lacking
high-performance hardware or sequences to achieve
free-breathing imaging.
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5360. Comparative
Study of T2 SSFSE and T2 FSE Sequences Based on Hepatic, Splenic
and Pancreatic Magnetic Resonance
L. Chun-cai
The First Medical Center of PLA General Hospital, Beijing, China
Impact: Based on the clinical application, this study
studies the methods to improve the image quality, which can
benefit patients and obtain better images.
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5362. Free-breathing
motion-corrected cardiac cine and late gadolinium enhancement
MRI: feasibility and validation in clinical practice
G. Yin, L. Liu, K. Yang, C. Cui, X. Chen, J. An, J. Pang, Z.
Han, X. Yang, S. Zhao, M. Lu
Fuwai Hospital, Beijing, China
Impact: FB MoCo CMR provides a time-efficient and
patient-friendly alternative, enhancing accessibility and
comfort for cardiac patients, particularly those
experiencing respiratory challenges.
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5363. Feasibility
of accelerated 3D T2-weighted bladder MRI using the deep
learning-constrained compressed sensitivity encoding technique
(SENSE)
H. Xu
westchina hospital of Sichuan university, Chengdu, China
Impact: DLA-CS cloud helped high-resolution 3DT2WI
decrease the scantime, meet the diagnostic requirements,
improve image quality and decrease artifacts in bladder
cancer.
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5364. Altered
functional connectivity of reward circuits in adolescents with
addictive nonsuicidal self-injury
K. Liao, N. Liu
Affiliated Hospital of North Sichuan Medical College, Nanchong, China
Impact: Our results revealed that the regions of FC
changes associated with NSSI addiction in the reward circuit
included the left hippocampus and right caudate nucleus,
which provide evidence for the neural mechanism of
adolescent NSSI behavioral addiction.
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5365. The
Comparative Study of Multiple Sequences in Fetal Spine MR
Imaging
F. Yu, H. Hu
Sir Run Run Shaw Hospital, HangZhou, China
Impact: Accurate early diagnosis of fetal spinal
abnormalities is beneficial for formulating prenatal,
perinatal, and postnatal treatment plans. Currently, the
screening for fetal spinal and spinal cord abnormalities
remains a challenge in clinical prenatal diagnosis.
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5366. Comparison
of Advanced ZOOMit DWI, SMS Readout-segmented EPI DWI and
Single-shot EPI DWI for evaluation of primary breast lesions at
3T MRI
J. Zhao, H. Xiong, W. Chen, Q. Yu, Z. Lei
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
Impact: This evidence-based comparison enables optimized
protocol selection for breast DWI based on specific clinical
needs and lesion locations, potentially improving diagnostic
accuracy and standardizing breast MRI protocols in clinical
practice.
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5367. Perspectives
of radiographers in Latin-America about the implementation of
Artificial Intelligence in the MRI practice
S. Solis-Barquero, S. Torre, J. Rios, N. Olmedo Raza, H.
Gonzalez, Y. Cardona Hernandez, P. Riquelme Contreras, A.
Cabezas Cabrera, M. Lucero, V. Ezquerra, C. Malamateniou, C.
Mendez Avila
Universidad de Costa Rica, San Jose, Costa Rica
Impact:
This study provides insights into Latin American radiographers' perspectives on AI in MRI, highlighting optimism for improved image quality and patient safety, alongside concerns about education, job displacement, and trust. It underscores the need for tailored educational initiatives and policies. |
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5369. FLUX
LCS : EPI-PC VS 2Qflow
V. MARION, v. g. julien, p. lisa, d. helena
chu amiens picardie, amiens, France, Metropolitan
Impact:
EPI-PC, is now available for the study of cerebrospinal fluid flow. Faster and easier to implement than the traditional 2D Qflow method, it opens new avenues for the diagnosis and follow-up of pathologies related to cerebrospinal fluid, such as hydrocephalus. |
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5370. Highly
accelerated cardiac cine acquisition with deep learning
reconstruction and protocol optimization at 0.5T
S. Rajamani, X. Zhu, A. Kuriakose, M. Limbachiya, R.
Sundaresan, A. K. Reddy, A. Narula, A. Brau, R. Venkatesan
GE Healthcare, Bangalore, India
Impact: Acquisition of cardiac short axis scan in 3
heart beats using DL Cine for ventricular functional
assessment at 0.5T
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5371. Variability
in Image Correction Accuracy and ADC Values Among Different
Distortion Correction Techniques
M. Kobayashi, M. Suzuki, A. Nishizawa, T. Yamaguchi, C.
Gonda, H. Hirasawa
Nagano Municipal Hospital, Nagano, Japan
Impact: Higher
accuracy in correction improves image quality and ADC value
reliability. Enhanced image quality supports better
diagnostics, allowing ADC values to be used more effectively
as precise biomarkers.
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5372. Unveiling
Brain Volume Patterns by Sex and Age in Marmosets
K. Sogabe, J. Hata, D. Yoshimaru, H. Oshiro, m. okazaki, H.
Okano, H. Okano
Teikyo University, TOKYO, Japan
Impact: This study highlights sex-related differences in
marmoset brain volumes. These findings provide valuable
insights into sex-specific brain development and contribute
to our understanding of human neuroanatomy and pathogenesis
of neurodegenerative diseases.
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5373. Development
and Validation of a PVP-Based Phantom for ADC Measurement in
Simulated Malignant Disease
E. Sato, M. Yamasaki, T. Akatsu, T. Isobe, T. Yamamoto
Juntendo University, Tokyo, Japan
Impact: This phantom could standardize ADC measurement,
aiding more accurate diagnosis and opening pathways to
refine ADC-based diagnostic tools and protocols.
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5374. Study
of contrast agent injection time and TSM artifact :Using long
injection time and simultaneous saline solution infusion
K. Sato, A. Yamashiro, K. Ootuka, A. Suzuki, T. Kaneko
NAGANO red cross hospital, NAGANO, Japan
Impact: long
injection time and combined simultaneous saline solution
infusion may improve the detection rate of lesions by
suppressing TSM
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5375. Revolutionizing
Breast MRI with Bananas: A Novel Approach to Phantom Development
K. Ohashi, A. Funaki, S. Yamaura, R. Miura, Y. Yashima, K.
Watanabe, K. Kubota
Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
Impact: We developed the new phantom using banana-fruits
simulating mammary tissue in breast MRI examinations.
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5376. Optimal
velocity encoding in preoperative vascular assessment magnetic
resonance angiography for transradial/transulnar
neurointervention
R. Okawa, N. Hayashi, G. Yasui, K. Akaji, B. Mihara
Institute of Brain and Blood Vessels Mihara Memorial Hospital, Isesaki, Japan
Impact: A VENC setting of 15 is appropriate for MRA
imaging of radial/ulnar arteries using the 3D PC method,
allowing preoperative vascular evaluation in
transradial/transulnar neurointervention. However, the VENC
settings for younger patients should be determined after
consultation with clinicians.
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5377. Innovation
of a bio-approximate magnetic resonance imaging phantom:
Approach to optimize relaxation time and proton density
A. Yamashiro, K. Sato, K. Ootuka, T. Kaneko
Nagano Red Cross Hospital, Nagano City, Japan
Impact: Phantoms
with adjustable relaxation times and proton densities can be
studied similarly to imaging a living body. This development
is a powerful tool for analyzing performance and image
characteristics and can be applied to quantitative MRI
evaluation.
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5379. Is
SmartSpeed Motion Free an alternative to Cartesian scan and
MultiVane XD in terms of basic image characteristics?
Y. Endo, Y. Kumagai, K. Fukushima, S. Saito
Kyorin University, Mitaka-shi, Japan
Impact: SmartSpeed Motion Free has the potential to
provide superior image quality compared to MultiVane XD and
image quality closer to Cartesian scan in the same scan
time, even if patient motion has not occurred.
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5380. Comparison
of susceptibility artifacts of single shot EPI DWI,
ZOOMit-DWI,RESOLVE and SPLICE in prostate MRI
K. Ohashi, R. Miura, A. Funaki, K. Watanabe, Y. KItazume, K.
Kubota
Dokkyo Medical University Saitama Medical Center, Koshigaya, Japan
Impact: We studied the characteristics of different DWI
sequences and obtained clinical images with low
susceptibility artifacts by setting parameters appropriate
to the sequence.
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5381. Characteristics
of white matter analysis with different constrained spherical
deconvolution in patients with metastatic brain tumors and edema
Y. Suzuki, T. Hayashi, O. Abe
The University of Tokyo Hospital, Tokyo, Japan
Impact: SS3T-CSD method, which uses single-shell
diffusion-weighted data analysis, has a lower ability to
depict the white matter-gray matter boundary area than
MSMT-CSD method, which uses multi-shell diffusion-weighted
data analysis, but may have better white matter
visualization capabilities in edema.
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5382. Overview
of Magnetic Resonance Imaging Education in Nepal
R. Gurung, B. Aryal, U. Poudel Lamgade, K. Raya Chhetri, S.
Maharjan
National Academy of Medical Sciences, Kathmandu, Nepal
Impact:
To our best knowledge,this is the first time the MRI education distribution data across Nepal is documented.These findings provided the current situation of MRI education infrastructure in Nepal that could be used by government bodies to plan it more properly. |
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5383. Comparison
of Radiation Dose in Full Field Digital Mammography (FFDM) and
Digital Breast Tomosynthesis (DBT)
S. Gwachha, S. Kayastha
Bir hospital, Kathmandu, Nepal
Impact: The findings of this study can be used by
authorized healthcare legal bodies for radiation dose
analysis for optmization of radiation protection. The data
can be used in estimation of local or national DRL in FFDM
and DBT.
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5384. Thickness
of ligamentum flavum of LS spine in MRI and its correlation with
age, sex and its symmetry
S. Gwachha, S. Kayastha
Bir hospital, Kathmandu, Nepal
Impact: Our data will aid finding the thickness of
ligamentum flavum in Nepalese population. Any thickening in
the symptomatic population will help in early identification
of ligamentum flavum thickening which improves the
treatment leading to positive outcome and reduction of
complication
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5385. Optimizing
Diagnosis of Brain Glioma: A Comparative Analysis of MRI
Sequences and Guideline Adherence in Low-Resource Settings
S. Zurakat-Aderibigbe, H. Salawudeen
University of Lagos , Idi-Araba, Lagos, Nigeria
Impact: Findings will provide a basis for further
research on brain glioma diagnosis and provide
evidence-based information to guide the development of
suitable guidelines for MRI protocols in the diagnosis and
management of glioma in resource-constrained settings.
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5386. A
study of current clinical practice: Do MRI technologists in New
Zealand always ask patients to change before examinations?
A. Young, K. Song
The University of Auckland, Auckland, New Zealand
Impact: Failure to change MRI patients into
facility-supplied attire has led to numerous avoidable
injuries, yet a survey of MRI technologists in New Zealand
has revealed that clinical practice varies. Workplace
policies influence practice and are recommended to maximise
patient safety.
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5387. Research
strategy for improving aliasing artifacts caused by DRB (Deep
Resolve Boost)
E. S. SONG, H. KIM
SEOUL ST MARYS HOSPITAL, SEOUL, Korea, Republic of
Impact: DRB
requires attention as it can generate new types of artifacts
not observed in existing techniques. Therefore, research is
needed to understand and improve the artifacts introduced by
DRB imaging techniques.
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5388. The
first study of subjective experiences on a low-field (64 mT) MRI
in Sweden
B. Hansson, T. Owman, P. Sundgren, E. Lind, E. Ljungberg
Lund University hospital, Lund, Sweden
Impact: This study highlights the patient experience
with portable low-field MRI, providing valuable insights for
improving comfort and usability. Its findings can be of
guidance in optimizing procedures, and inspire further
research on enhancing portable MRI technology for broader
clinical use.
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5389. How
to improve an in-patient experience of cardiac magnetic
resonance examination
S. Wahlstrom, P. Karlstrom, L-L Lundvall, J. Kihlberg
Department of Radiology, County Hospital Ryhov, Jonkoping, Sweden
Impact: Gain knowledge of what factors matter for the
patient's experience of participation in the MRI setting
gives us tools to improve the workflow, which benefits the
patients and hopefully the image quality.
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5390. Automatic
White Matter Hyperintensity extraction in ICEM with Orthogonal
Subspace Projection-Based Go-Decomposition Approach
Y-Y Wu, Y-C Ouyang, J-W Chai, K- Pan, H-C Wang, W- Chen, H-M
Chen, C-C Chen, C-I Chang
Taichung Veterans General Hospital, Taichung, Taiwan
Impact: Accurate automated detection of WMH can
significantly improve diagnosis and monitoring of AD,
enhancing clinical decision-making. This approach reduces
reliance on manual segmentation, minimizes human error, and
enables faster, more reliable analysis of brain MRI scans
for better patient outcomes.
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5391. Identification
of barriers faced by patients participating in MRI research
studies within a medical imaging department
D. Bertham, K. Smith, M. Farrow
NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
Impact:
It was evident there is a need for more participants who completed the questionnaire to attend the focus group due to the disparities noted. It is also important in further studies to ensure a more representative demographic sample. |
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5392. Deep
learning reconstruction improved precision of myocardial T1 and
T2 mapping: initial phantom and in-vivo evaluation
C. NODA, B. Venkatesh, Y. Kato, J. Ortman, Y. Kassai, B.
Triaire, J. Lima, C-Y Liu
Johns Hopkins University, Baltimore, United States
Impact: Applying deep-learning assisted reconstruction
improves precision in T1 and T2 mapping. The ability to
reduce the standard deviation has the potential to increase
the statistical power of detecting subtle abnormalities due
to diffuse fibrosis or edema.
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5393. Impact
of Combined Anterior and Posterior Surface Coils Compared to
Anterior Coil and Spine Coil on SNR in Abdominal MRI at 0.55T
Free Max Scanner
V. Ravanfar, E. Bahroos, D. Yoon, Y. Yang, M. Hoff, D. M.
Ohliger
University Of California San Francisco, San Francisco, United States
Impact: Using anterior and posterior contour coils
improves imaging diagnostic accuracy in medical settings.
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5394. Best
Practices for MRI technologists to image small specimens on a
clinical scanner
A. Dreisbach, M. Khalighi, M. Fung, D. Oji, F. Kogan, M.
Barbieri, V. Suryadevara
Stanford University, Stanford , United States
Impact: This is the first-of-it’s kind study of small
specimens on a clinical MR scanner that enabled
visualization of anatomical and functional changes in the
tissue, thus enabling the detection of pathophysiology at
the structural level using biomedical imaging approaches.
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5395. Metaphyseal
bone marrow 1H spectroscopy within the knees of adolescent
subjects: Spectral characterization and T2 corrections
N. Farrar, C. Gordon, A. Divasta, C. Guss, S. Vajapeyam, K.
Ecklund, R. Korkodilos, R. Mulkern
Boston Children's Hospital, Boston, United States
Impact: These results impact adolescents with bone
marrow changes due to health conditions, helping doctors
better understand shifts from red to yellow marrow and
changes in fat composition in bones. This is especially
relevant for understanding growth patterns and potential
early indicators of bone health issues. By studying how
water and different fat types change in marrow, new
questions can be explored, such as: How do different health
conditions or diets affect bone marrow composition in
adolescents? Are these marrow changes predictive of certain
bone health outcomes in adulthood? Can this method be used
to study other age groups or areas of the body?
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5396. 10
MRI Safety Steps Create Efficient & Realistic Appointment
Lengths
C. Calvin, C. De Vincent
UCSF, Oakland, United States
Impact: Accurate appointment times must include
completion of critical MR safety steps. Adequate time to
complete is essential even when medical centers desire
efficiency improvement. This outline may be used by
facilities to formulate realistic appointment times that
include MR safety.
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5397. Evaluating
a Tactile Training Model for Low-Field Interventional MRI Needle
Guided Procedures
N. Ooms, F. Sheard, M. Olson, Z. Hillan, E. Wellington, D.
Patterson
Purdue University, West Lafayette, United States
Impact: Interventional MRI is notably a niche field,
with historically minimal clinical translation. As
technologies continue to improve, and iMRI grows in utility,
there is a need for a tactile training model with
established success metrics.
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5398. Semi-quantitative
Evaluation of Myocardial Viability in Manganese-Enhanced MRI: A
Rat Heart Transplant Model Study
Y. Matsuura, K. Kawago, H. Takashima, G. Ikeda, Y. Kawai, Y.
Shudo, P. Yang
Stanford University, Stanford, United States
Impact: This study demonstrates that an increase in
signal intensity ratio reflects the level of myocardial
viability and highlights MEMRI’s potential for assessing
myocardial viability in transplant models. This
semi-quantitative approach could enhance clinical
evaluations of myocardial viability.
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5399. Pushing
the Boundaries of Neuroimaging: A Practical Guide to 7T
Single-Voxel MR Spectroscopy for Advanced Neurochemical Imaging
M. A. G. Altenbaugh, K. Runge, C. Karmonik
Houston Methodist Hospital, Houston, United States
Impact: A step-by-step guide will help clinicians,
researchers and future MR Technologist with the process of
scanning MR Spectroscopy on a 7T system. It will also serve
as a guide to other technologists that have not had hands on
training.
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