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Neuroradiology Applications of High-Field MR Imaging,  An Issue of Neuroimaging Clinics - E-Book

Neuroradiology Applications of High-Field MR Imaging, An Issue of Neuroimaging Clinics - E-Book

Winfried A. Willinek

(2012)

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Book Details

Abstract

Information for neuroimaging specialists includes a "Diagnostic Checklist” or “Clinical Recommendations” along with tables presenting recommended MR sequences and protocols. The primary focus of the issue is 3.0T; one article specifically deals with 7T and higher fields are mentioned sporadically throughout.  Topics include: Tumor High-Field MR; Stroke High-Field MR; High-Field MR of Inflammation; Vascular Disorders: MR Angiography of Brain Vessels, MR Angiography of Neck Vessels, and Perfusion Imaging; Plaque Imaging; Neurodegenerative Disease; Epilepsy Imaging; Head and Neck Oncology Applications; Pediatric High-Field Imaging; Spine High-Field Imaging; Ultra High-Field Imaging; Future Perspectives on High-Field MR

Table of Contents

Section Title Page Action Price
Front Cover Cover
Neuroimaging Clinics of North America i
Copyright Page ii
Table of Contents ix
Contributors v
Foreword: High Field Imaging xiii
Preface xv
Chapter 1. Diffusion Tensor and Perfusion Imaging of Brain Tumors in High-Field MR Imaging 123
DTI OF BRAIN TUMORS IN HIGH-FIELD MRI 126
PWI OF BRAIN TUMORS IN HIGH-FIELD MRI 128
SUMMARY 132
REFERENCES 133
Chapter 2. Inflammation High-Field Magnetic Resonance Imaging 135
HIGH-FIELD MR IMAGING IN MS:CONVENTIONAL IMAGING 136
ULTRAHIGH-FIELD MR IMAGING IN MS 142
HIGH-FIELD MR IMAGING IN MS:QUANTITATIVE IMAGING 143
NEURODEGENERATIVE ASPECTS OF NEUROINFLAMMATION 149
SUMMARY AND FUTURE PERSPECTIVES 149
ACKNOWLEDGMENTS 150
REFERENCES 150
Chapter 3. High-Field Imaging of Neurodegenerative Diseases 159
POTENTIAL OF HIGH-FIELD MAGNETIC RESONANCE IMAGING FOR NEURODEGENERATIVE DISEASES 159
CHALLENGES 160
NEURODEGENERATIVE DISEASES 161
FUTURE PROSPECTS AND CHALLENGES 167
REFERENCES 169
Chapter 4. High-Field Magnetic Resonance Imaging for Epilepsy 173
THEORETICAL CONSIDERATIONS 174
HIPPOCAMPAL SCLEROSIS 176
EPILEPSY-ASSOCIATED TUMORS 177
MALFORMATIONS OF CORTICAL DEVELOPMENT 180
VASCULAR MALFORMATIONS 186
TRAUMA AND OTHER CORTICAL SCARS 187
SUMMARY 187
REFERENCES 187
Chapter 5. Stroke: High-Field Magnetic Resonance Imaging 191
IMAGING TECHNIQUES: CT VERSUS MR IMAGING 192
DIFFUSION IMAGING 194
PERFUSION IMAGING 196
MR ANGIOGRAPHY 198
SUSCEPTIBILITY-WEIGHTED MR IMAGING 199
FUNCTIONAL MR IMAGING (ACTIVATION 200
MR SPECTROSCOPY 201
TYPES OF STROKES 201
SUMMARY 203
REFERENCES 203
Chapter 6. Vascular Disorders—Magnetic Resonance Angiography: Brain Vessels 207
MRA EVALUATION OF ISCHEMIC STROKE AND ARTERIAL OCCLUSIVE DISEASE 207
MRA EVALUATION OF ANEURYSM 208
MRA EVALUATION OF INTRACRANAL ARTERIAL DISSECTION 216
MRA EVALUATION OF VASCULAR MALFORMATIONS OF THE BRAIN 217
MRA EVALUATION OF CRANIAL DAVF 223
MRA IN THE EVALUATION OF VASCULITIS AND VASOSPASM 227
MRA EVALUATION OF THE EXTRACRANIAL CIRCULATION 230
SUMMARY 230
REFERENCES 231
Chapter 7. Current State-of-the-Art 1.5 T and 3 T Extracranial Carotid Contrast-Enhanced Magnetic Resonance Angiography 235
RESOLUTION AND SCAN TIME 237
GBCA 239
GBCA ARRIVAL 240
VENDOR-SPECIFIC RECOMMENDATION FOR CAROTID CE MR ANGIOGRAPHY AT 1.5 AND 3 T 241
REFERENCES 256
Chapter 8. Vascular Disorders: Insights from Arterial Spin Labeling 259
ASL 260
CHRONIC CEREBROVASCULAR DISEASE 261
STROKE 264
MOYAMOYA DISEASE 266
AVM 266
VASCULAR DEMENTIA 267
SUMMARY 268
REFERENCES 268
Chapter 9. High-Field Atherosclerotic Plaque Magnetic Resonance Imaging 271
HIGH-FIELD PLAQUE MR IMAGING 272
HIGH-FIELD MR SCANNERS 272
CHALLENGES AND OPPORTUNITIES OF HIGH FIELD PLAQUE MR IMAGING 274
REFERENCES 282
Chapter 10. Head and Neck High-Field Imaging: Oncology Applications 285
CLINICAL RECOMMENDATIONS 285
TECHNICAL CONSIDERATIONS OF HIGH-FIELD IMAGING 286
TISSUE CONTRAST ISSUE: EFFECT ON T1 AND T2 286
INCREASE OF CHEMICAL SHIFT AND SUSCEPTIBILITY ARTIFACT 286
HIGHER ENERGY DEPOSITION 287
ONCOLOGIC APPLICATIONS OF HIGH-FIELD IMAGING IN HEAD AND NECK CANCER 288
SUMMARY 294
REFERENCES 294
Chapter 11. Pediatric High-Field Magnetic Resonance Imaging 297
PRINCIPLES OF HIGH-FIELD 3 T IMAGING AS APPLIED TO PEDIATRICS 298
DIFFUSION IMAGING 303
ARTERIAL SPIN LABELING PERFUSION 304
SUSCEPTIBILITY AT HIGH-FIELD 305
MR ANGIOGRAPHY 307
PEDIATRIC SPINE IMAGING 308
MR SPECTROSCOPY 308
SAFETY ISSUES 310
SUMMARY 311
REFERENCES 311
Chapter 12. Imaging of the Spineat 3 Tesla 315
PULSATION OR FLOW ARTIFACTS 329
THE CLINICAL ROLE OF DIFFERENT PULSE SEQUENCES AVAILABLE AT 3 T FOR EVALUATING SPINAL CORD DISORDERS 331
CLINICAL USE OF T2-WEIGHTED AXIAL SEQUENCES 333
TUMORS AND SEPARATING INFLAMMATION FROM INFECTION 335
SUMMARY 339
ACKNOWLEDGMENTS 340
REFERENCES 340
Chapter 13. Ultrahigh-Field Magnetic Resonance Imaging: The Clinical Potential for Anatomy, Pathogenesis, Diagnosis, and Treatment Planning in Brain Disease 343
CLINICAL RECOMMENDATIONS 344
INTRODUCTION 344
ULTRAHIGH-FIELD MR IMAGING: WHAT IS IT ALL ABOUT? 345
ANATOMY AND PATHOGENESIS 346
CLINICAL APPLICATIONS 349
TREATMENT PLANNING 357
LIMITATIONS IN CLINICAL USE 358
DISCUSSION 359
REFERENCES 360
Chapter 14. Ultrahigh-Field Magnetic Resonance Imaging: The Clinical Potential for Anatomy,Pathogenesis, Diagnosis and Treatment Planningin Neck and Spine Disease 363
ULTRAHIGH-FIELD MR IMAGING OF THENECK AND SPINE 363
INCREASE OF THE MAGNETIC FIELD STRENGTH: BENEFITS 364
INCREASE OF THE MAGNETIC FIELD STRENGTH: CHALLENGES 364
ULTRAHIGH-FIELD SPINE IMAGING 365
ULTRAHIGH-FIELD NECK IMAGING 367
SUMMARY AND OUTLOOK 369
REFERENCES 369
Chapter 15. Current Status and Future Perspectives of Magnetic Resonance High-Field Imaging:A Summary 373
HIGH-FIELD CLINICAL fMR IMAGING 374
HIGH-FIELD DTI 377
CORTICAL THICKNESS 382
ASL PERFUSION 384
ADVANCED MRA 391
REFERENCES 391
Index 399