Advanced MR Imaging in Clinical Practice, An Issue of Radiologic Clinics of North America

Name: Advanced MR Imaging in Clinical Practice, An Issue of Radiologic Clinics of North America
Brand: Elsevier
Price: 71.39 EUR
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Hersh Chandarana(Autor*in)

Elsevier (Verlag)

1. Auflage

Erschienen am 14. Juni 2015

100 Seiten

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978-0-323-37618-1 (ISBN)

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Front Cover
Advanced MR Imagingin Clinical Practice
Copyright
Contributors
CONSULTING EDITOR
EDITOR
AUTHORS
Contents
Preface
Advanced Magnetic Resonance Techniques: 3 T
Noncontrast Magnetic Resonance Angiography: Concepts and Clinical Applications
Recent Advances in Brain and Spine Imaging
Perfusion Imaging in Neuro-Oncology: Basic Techniques and Clinical Applications
Focus on Advanced Magnetic Resonance Techniques in Clinical Practice: Magnetic Resonance Neurography
Metal Artifact Reduction: Standard and Advanced Magnetic Resonance and Computed Tomography Techniques
Advanced Noncontrast MR Imaging in Musculoskeletal Radiology
Advances in Diffusion-Weighted Imaging
Advances in T1-Weighted and T2-Weighted Imaging in the Abdomen and Pelvis
Recent Advances in MR Hardware and Software
PROGRAM OBJECTIVE
TARGET AUDIENCE
LEARNING OBJECTIVES
ACCREDITATION
DISCLOSURE OF CONFLICTS OF INTEREST
UNAPPROVED/OFF-LABEL USE DISCLOSURE
TO ENROLL
METHOD OF PARTICIPATION
CME INQUIRIES/SPECIAL NEEDS
RADIOLOGIC CLINICS OF NORTH AMERICA
FORTHCOMING ISSUES
July 2015
September 2015
November 2015
RECENT ISSUES
March 2015
January 2015
November 2014
Preface : Advances in MR Imaging
Advanced Magnetic Resonance Techniques: 3 T
Key points
MR IMAGING PHYSICS AT 3 T
Relaxation Effects
Signal/Noise Ratio
Gadolinium Chelate Contrast Agents
Spin Labeling
Chemical Shift
Radiofrequency Ablation Inhomogeneity
Iron Oxide Contrast Agents and Endogenous Iron
Safety Issues
NEUROIMAGING AT 3 T
Conventional Neuroimaging Techniques
Advanced Neuroimaging Techniques
Magnetic resonance spectroscopy
Functional magnetic resonance imaging
Brain perfusion imaging
Diffusion tensor imaging
Susceptibility-weighted imaging
Magnetic resonance angiography
Special Considerations and Challenges for Neuroimaging
ABDOMINOPELVIC MR IMAGING AT 3 T
Chemical Shift Imaging
Dynamic Contrast-enhanced T1-weighted Imaging
T2-weighted Imaging and Magnetic Resonance Cholangiopancreatography
Diffusion-weighted Imaging
T2*-weighted Imaging and Quantification
Special Considerations and Challenges for Abdominopelvic MR Imaging
CARDIOVASCULAR MR IMAGING AT 3 T
Cine Imaging of Cardiac Function
Myocardial Perfusion
Late Gadolinium Enhancement
Other Cardiovascular Magnetic Resonance Applications
Special Considerations and Challenges for Cardiovascular Magnetic Resonance
BREAST MAGNETIC RESONANCE IMAGING AT 3 T
Special Considerations and Challenges for Breast MR Imaging
MUSCULOSKELETAL MR IMAGING AT 3 T
Special Considerations and Challenges for Musculoskeletal MR Imaging
SUMMARY
REFERENCES
Noncontrast Magnetic Resonance Angiography
Key points
INTRODUCTION
PROPERTIES OF BLOOD
T1 and T2 Relaxation Properties
Blood Flow
NONCONTRAST MAGNETIC RESONANCE ANGIOGRAPHY TECHNIQUES
Flow-related Enhancement
Inflow and Outflow Techniques
Inflow inversion-recovery magnetic resonance angiography
Quiescent interval single-shot magnetic resonance angiography
Arterial spin labeled magnetic resonance angiography
Subtractive, Phase-dependent Techniques
Gated subtractive magnetic resonance angiography
Phase contrast magnetic resonance angiography
Flow-independent Methods
CLINICAL APPLICATIONS OF NONCONTRAST MAGNETIC RESONANCE ANGIOGRAPHY
Neurovascular Imaging
Coronary Imaging
Chest Magnetic Resonance Angiography
Abdominal Magnetic Resonance Angiography
Peripheral Magnetic Resonance Angiography
FUTURE DIRECTIONS
SUMMARY
SUPPLEMENTARY DATA
REFERENCES
Recent Advances in Brain and Spine Imaging
Key points
INTRODUCTION
ADVANCED MR IMAGING TECHNIQUES
High-Field Clinical MR Imaging Imaging
Steady-State Free Precession for High-Resolution Imaging
Double Inversion-Recovery Imaging
Automated Segmentation and Volumetric Analysis
Susceptibility Weighted Imaging
Gadolinium Cisternography
Time-Resolved MR Angiography
Cine Phase Contrast Flow
Dynamic Susceptibility Contrast Perfusion Imaging
Arterial Spin-Labeled Perfusion Imaging
Proton MR Spectroscopy
Diffusion-Weighted Imaging
Diffusion Tensor Imaging
Blood Oxygenation-Dependent Functional MR Imaging
SUMMARY
REFERENCES
Perfusion Imaging in Neuro-Oncology
Key points
WHAT IS PERFUSION IMAGING?
WHAT IS MEASURED AND HOW IS IT USED?
Blood Volume and Blood Flow
Vessel Permeability
METHODS
CT Perfusion
How Is It Done?
MR Perfusion
Dynamic Contrast Enhanced-T1 Imaging
How Is It Done?
Dynamic Susceptibility Contrast T2* Imaging
How Is It Done?
Arterial Spin Labeling
CLINICAL UTILITY IN NEURO-ONCOLOGIC IMAGING
Tumor Grading
Differentiating Primary Gliomas from Tumefactive Demyelinating Lesions
Differentiating Recurrent Tumor Versus Treatment Effects
Pseudoprogression
Radiation Necrosis
Tumor Surveillance
REFERENCES
Focus on Advanced Magnetic Resonance Techniques in Clinical Practice
Key points
INTRODUCTION
PERIPHERAL NERVE ANATOMY
NERVE INJURY: PATHOPHYSIOLOGY AND CLASSIFICATION
Technical Considerations
The magnet
Magnetic resonance protocol
Field of view
T1-weighted imaging
T2-weighted imaging
3-D imaging
Contrast
Pitfalls and technical limitations
Imaging Findings
MAGNETIC RESONANCE IMAGING OF COMMON NERVE DISORDERS
Upper Extremity
Brachial plexopathy: thoracic outlet syndrome and Parsonage-Turner syndrome
Suprascapular neuropathy
Cubital tunnel syndrome
Posterior interosseous nerve syndrome
Pronator syndrome
Carpal tunnel syndrome
Guyon canal syndrome
Lower Extremity
Lumbosacral plexopathy
Piriformis syndrome and deep gluteal syndrome
Superior and inferior gluteal neuropathy
Obturator neuropathy
Pudendal neuropathy
Common peroneal neuropathy
Tarsal tunnel syndrome
Interventional procedures
SUMMARY
REFERENCES
Metal Artifact Reduction
Key points
INTRODUCTION
CAUSES OF METAL ARTIFACTS ON MR IMAGING
FACTORS THAT DETERMINE THE DEGREE OF METAL ARTIFACT ON MR IMAGING
Composition of the Implant
Size, Shape, and Orientation of the Implant
Strength of the Main Magnetic Field
Imaging Pulse Sequence
Imaging Parameters
Frequency-encoding gradient strength
Frequency-encoding gradient direction
Slice thickness and voxel size
Fat-suppression imaging
TECHNIQUES TO REDUCE METAL ARTIFACTS ON MR IMAGING
Standard Metal Artifact Reduction Techniques on MR Imaging
Scanning on a low-field-strength magnetic resonance system
Orientating the long axis of the hardware parallel to external magnetic field
Orienting the frequency-encoding gradient parallel to external magnetic field
Increasing the receiver bandwidth
Using fast spin echo sequences with short echo spacing
Using short tau inversion recovery for fat suppression
Modifying voxel size, field of view, imaging matrix, and slice thickness
Advanced Metal Artifact Reduction Techniques on MR Imaging
View angle tilting
Slice encoding for metal artifact correction
Multi-acquisition variable-resonance image combination
Other Metal Artifact Reduction Techniques on MR Imaging
METAL ARTIFACT ON COMPUTED TOMOGRAPHY IMAGING
TECHNIQUES TO REDUCE METAL ARTIFACTS ON COMPUTED TOMOGRAPHY IMAGING
Standard Metal Artifact Reduction Techniques on Computed Tomography Imaging
Increasing tube potential (kilovolts peak)
Increasing tube current (milliampere second)
Reducing beam width
Using narrow collimation and thin slices
Reconstructing thicker slices and using a smooth reconstruction algorithm
Using an extended computed tomography scale
Advanced Metal Artifact Reduction Techniques on Computed Tomography Imaging
Monoenergetic dual-energy computed tomography
Replacing corrupted raw data (sinogram inpainting)
SUMMARY
REFERENCES
Advanced Noncontrast MR Imaging in Musculoskeletal Radiology
Key points
MUSCLE BLOOD-OXYGEN-LEVEL-DEPENDENT MR IMAGING
Introduction
MR Imaging Protocol
Postprocessing
Blood-Oxygen-Level-Dependent Key Parameters and Normal Blood-Oxygen-Level-Dependent Time Course
Correlation with Other Techniques
Multifactorial Blood-Oxygen-Level-Dependent Signal
Clinical Applications
Peripheral arterial occlusive disease
Systemic sclerosis
Granulomatosis with polyangiitis
Clinical Perspectives
ARTERIAL SPIN LABELING
Introduction
Continuous Arterial Spin Labeling
Pulsed Arterial Spin Labeling
Pseudocontinuous Arterial Spin Labeling
Specific Techniques
MR imaging protocol
Postprocessing
Clinical Applications
Peripheral arterial occlusive disease
Assessment after peripheral arterial angioplasty
Validation by venous occlusion plethysmography
Clinical Perspectives
DIFFUSION-WEIGHTED IMAGING
Introduction
MR Imaging Protocol
Postprocessing
Clinical Applications
Soft-tissue tumors
Therapy Monitoring
Clinical Perspectives
DIFFUSION TENSOR IMAGING
Introduction
MR Imaging Protocol
Postprocessing
Clinical Applications
Clinical Perspectives
SUMMARY
REFERENCES
Advances in Diffusion-Weighted Imaging
Key points
INTRODUCTION
BASIC PRINCIPLES OF DIFFUSION-WEIGHTED IMAGING
Intravoxel Incoherent Motion
Treatment Response
Diffusion-Weighted Imaging Reproducibility
ADVANCES IN LIVER DIFFUSION-WEIGHTED IMAGING
Intravoxel Incoherent Motion in Liver Lesion Characterization
Reproducibility in the Liver
ADVANCES IN PANCREAS DIFFUSION-WEIGHTED IMAGING
Diffusion-Weighted Imaging in Pancreatic Lesion Detection and Characterization
Intravoxel Incoherent Motion in Pancreatic Lesion Characterization
Reproducibility in the Pancreas
ADVANCES IN RECTAL DIFFUSION-WEIGHTED IMAGING
Diffusion-Weighted Imaging for Initial Evaluation: Rectal Cancer Detection, Characterization, and Staging
Evaluating the Response to Neoadjuvant Treatment with Diffusion-Weighted Imaging
Reproducibility in the Rectum
Intravoxel Incoherent Motion in Rectal Cancer
ADVANCES IN PROSTATE DIFFUSION-WEIGHTED IMAGING
Choice of b Values in Prostate Diffusion-Weighted Imaging
Intravoxel Incoherent Motion in Prostate Cancer
SUMMARY
REFERENCES
Advances in T1-Weighted and T2-Weighted Imaging in the Abdomen and Pelvis
Key points
INTRODUCTION
ADVANCES IN T1-WEIGHTED IMAGING
Non-Cartesian K-Space Acquisition
Clinical Summary: Non-Cartesian T1-Weighted Acquisition
Advanced Dixon Sequences
Clinical Summary: Advanced Dixon Sequences
ADVANCES IN T2-WEIGHTED IMAGING
Non-Cartesian T2-Weighted Imaging
Clinical Summary: Non-Cartesian T2-Weighted Imaging
3-Dimensional Volumetric T2-Weighted Imaging
Clinical Summary: 3-Dimensional Volumetric T2-Weighted Imaging
SUMMARY
REFERENCES
Recent Advances in MR Hardware and Software
Key points
INTRODUCTION
RADIAL IMAGING
Golden-Angle Radial Sparse Parallel MR Imaging
Vastly Undersampled Isotropic Projection Reconstruction
SPIRAL IMAGING
PARALLEL TRANSMISSION
HYBRID PET/MR IMAGING
Hardware
Clinical Experience
Nononcologic Neurologic Pathology
Dementia
Epilepsy
Neurooncologic Pathology
Brain tumors
Head and neck cancer
Cardiovascular Pathology
Nononcologic Cardiac Diseases
Coronary artery disease
Sarcoidosis
Cardiac Tumors
Body Oncology
Breast oncology
Abdominal and pelvic oncology
SUMMARY
REFERENCES
Index

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