BOOK
Dual Energy CT: Applications in Head and Neck and Neurologic Imaging, An Issue of Neuroimaging Clinics of North America, E-Book
Reza Forghani | Hillary R. Kelly
(2017)
Additional Information
Book Details
Abstract
This issue of Neuroimaging Clinics of North America focuses on Dual Energy CT: Applications in Neurologic, Head and Neck Imaging, and is edited by Drs. Reza Forghani and Hillary R. Kelly. Articles will include: Dual Energy CT: Physical Principles and Approaches to Scanning, Part 1; Dual Energy CT: Physical Principles and Approaches to Scanning, Part 2; Dual Energy CT Applications for Differentiation of Intracranial Hemorrhage, Calcium, and Iodine; Dual Energy CT Angiography of the Head and Neck and Related Applications; Miscellaneous and Emerging Applications of Dual Energy CT for the Evaluation of Intracranial Pathology; Applications of Dual Energy CT for the Evaluation of Head and Neck Squamous Cell Carcinoma; Dual Energy CT Applications for the Evaluation of Cervical Lymphadenopathy; Miscellaneous and Emerging Applications of Dual Energy CT for the Evaluation of Pathologies in the Head and Neck; Dual Energy CT Applications for the Evaluation of the Spine; Applications of Dual Energy CT for Artifact Reduction in the Head, Neck, and Spine; Advanced Tissue Characterization and Texture Analysis using Dual Energy CT: Horizons and Emerging Applications; and more!
Table of Contents
Section Title | Page | Action | Price |
---|---|---|---|
Front Cover | Cover | ||
Dual Energy CT:Applications in Headand Neck andNeurologic Imaging\r | i | ||
Copyright\r | ii | ||
CME Accreditation Page | iii | ||
PROGRAM OBJECTIVE | iii | ||
TARGET AUDIENCE | iii | ||
LEARNING OBJECTIVES | iii | ||
ACCREDITATION | iii | ||
DISCLOSURE OF CONFLICTS OF INTEREST | iii | ||
UNAPPROVED/OFF-LABEL USE DISCLOSURE | iii | ||
TO ENROLL | iv | ||
METHOD OF PARTICIPATION | iv | ||
CME INQUIRIES/SPECIAL NEEDS | iv | ||
NEUROIMAGING CLINICS OF NORTH AMERICA\r | v | ||
FORTHCOMING ISSUES | v | ||
November 2017 | v | ||
February 2018 | v | ||
May 2018 | v | ||
RECENT ISSUES | v | ||
May 2017 | v | ||
February 2017 | v | ||
November 2016 | v | ||
Contributors | vii | ||
CONSULTING EDITOR | vii | ||
EDITORS | vii | ||
AUTHORS | vii | ||
Contents | xi | ||
Foreword: Dual-Energy Computed Tomography: Applications in Neurologic, Head, and Neck Imaging | xi | ||
Preface: Dual-Energy Computed Tomography in Neuroradiology and Head and Neck Imaging: State-of-the-Art | xi | ||
Dual-Energy Computed Tomography: Physical Principles, Approaches to Scanning, Usage, and Implementation: Part 1 | xi | ||
Dual-Energy Computed Tomography: Physical Principles, Approaches to Scanning, Usage, and Implementation: Part 2 | xi | ||
Dual-Energy Computed Tomographic Applications for Differentiation of Intracranial Hemorrhage, Calcium, and Iodine | xi | ||
Miscellaneous and Emerging Applications of Dual-Energy Computed Tomography for the Evaluation of Intracranial Pathology | xii | ||
Dual-Energy Computed Tomography Angiography of the Head and Neck and Related Applications | xii | ||
Applications of Dual-Energy Computed Tomography for the Evaluation of Head and Neck Squamous Cell Carcinoma | xii | ||
Dual-Energy Computed Tomography Applications for the Evaluation of Cervical Lymphadenopathy | xii | ||
Miscellaneous and Emerging Applications of Dual-Energy Computed Tomography for the Evaluation of Pathologies in the Head an ... | xiii | ||
Dual Energy Computed Tomography Applications for the Evaluation of the Spine | xiii | ||
Applications of Dual-Energy Computed Tomography for Artifact Reduction in the Head, Neck, and Spine | xiii | ||
Dual-Energy Computed Tomography of the Neck: A Pictorial Review of Normal Anatomy, Variants, and Pathologic Entities Using ... | xiii | ||
Routine Dual-Energy Computed Tomography Scanning of the Neck in Clinical Practice: A Single-Institution Experience | xiv | ||
Advanced Tissue Characterization and Texture Analysis Using Dual-Energy Computed Tomography: Horizons and Emerging Applications | xiv | ||
Foreword:\rDual-Energy Computed Tomography: Applications in Neurologic, Head, and Neck Imaging | xv | ||
Preface:\rDual-Energy Computed Tomography in Neuroradiology and Head and Neck Imaging: State-of-the-Art | xvii | ||
Dual-Energy Computed Tomography | 371 | ||
Key points | 371 | ||
INTRODUCTION | 371 | ||
FUNDAMENTAL PRINCIPLES OF SPECTRAL COMPUTED TOMOGRAPHIC SCANNING AND MATERIAL CHARACTERIZATION | 372 | ||
Overview | 372 | ||
Fundamentals of Dual-Energy Computed Tomography Scanning: Factors Related to the Scanner | 372 | ||
Fundamentals of Dual-Energy Computed Tomography Scanning: Factors Related to the Materials or Tissues Being Evaluated | 373 | ||
OVERVIEW OF CURRENT AND EMERGING DUAL-ENERGY COMPUTED TOMOGRAPHIC SYSTEMS | 375 | ||
Dual-Source Dual-Energy Computed Tomography | 375 | ||
Single-Source Dual-Energy Computed Tomography with Rapid kVp Switching: Gemstone Spectral Imaging | 376 | ||
Layered Detector Dual-Energy Computed Tomography | 377 | ||
Single-Source Dual-Energy Computed Tomography with Beam Filtration at the Source: TwinBeam Dual-Energy Computed Tomography | 378 | ||
Dual-Energy Computed Tomographic Scanning Using Sequential Acquisitions | 378 | ||
Emerging Spectral Computed Tomographic Systems | 380 | ||
SUMMARY | 383 | ||
REFERENCES | 383 | ||
Dual-Energy Computed Tomography | 385 | ||
Key points | 385 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY IMPLEMENTATION AND USAGE IN CLINICAL PRACTICE: PRACTICAL CONSIDERATIONS | 385 | ||
Different Modes of Acquisition with Current Dual-Energy Computed Tomography Scanners and Implications | 385 | ||
Radiation Dose and Image Quality | 386 | ||
Temporal Resolution | 388 | ||
Standard and Advanced Dual-Energy Computed Tomography Reconstructions and Basis Material Decomposition | 388 | ||
Virtual monochromatic images | 388 | ||
Weighted average images | 391 | ||
Basis material decomposition, labeling, and maps | 391 | ||
Basis material decomposition | 391 | ||
Multimaterial decomposition and material labeling | 393 | ||
Virtual unenhanced or virtual noncontrast images and iodine maps | 394 | ||
Workflow and Other Practical Considerations | 397 | ||
SUMMARY | 398 | ||
REFERENCES | 399 | ||
Dual-Energy Computed Tomographic Applications for Differentiation of Intracranial Hemorrhage, Calcium, and Iodine | 401 | ||
Key points | 401 | ||
INTRODUCTION | 401 | ||
MATERIAL DECOMPOSITION PRINCIPLES | 401 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHIC IMAGE POSTPROCESSING | 402 | ||
DIFFERENTIATION OF HEMORRHAGE AND CALCIFICATION | 402 | ||
PITFALLS OF MATERIAL DECOMPOSITION IN THE PRESENCE OF ARTIFACT | 405 | ||
DIFFERENTIATION OF IODINE AND HEMORRHAGE | 405 | ||
SUMMARY | 407 | ||
REFERENCES | 409 | ||
Miscellaneous and Emerging Applications of Dual-Energy Computed Tomography for the Evaluation of Intracranial Pathology | 411 | ||
Key points | 411 | ||
INTRODUCTION | 411 | ||
TECHNICAL CONSIDERATION FOR DUAL-ENERGY COMPUTED TOMOGRAPHY | 412 | ||
VIRTUAL MONOCHROMATIC IMAGING | 412 | ||
Optimal Virtual Monochromatic Imaging Energy Level for Noncontrast Brain Imaging | 412 | ||
Optimal Virtual Monochromatic Imaging Energy Level for Contrast-Enhanced Brain Imaging (Best Contrast-to-Noise Ratio) | 414 | ||
Artifact Reduction | 416 | ||
MATERIAL SEPARATION USING DUAL-ENERGY COMPUTED TOMOGRAPHY | 417 | ||
Differentiation Between Iodine-Enhanced Tumor and Calcification | 417 | ||
Bone Removal or Bone Subtraction Imaging | 420 | ||
Iodine Distribution Map | 420 | ||
Imaging Assessment of Tumor Extent into the Bone Marrow Space | 422 | ||
EMERGING APPLICATIONS OF DUAL-ENERGY COMPUTED TOMOGRAPHY: FUTURE DEVELOPMENTS AND CHALLENGES | 424 | ||
SUMMARY | 425 | ||
ACKNOWLEDGMENTS | 425 | ||
REFERENCES | 426 | ||
Dual-Energy Computed Tomography Angiography of the Head and Neck and Related Applications | 429 | ||
Key points | 429 | ||
INTRODUCTION | 429 | ||
FUNDAMENTAL PRINCIPLES OF DUAL-ENERGY COMPUTED TOMOGRAPHY ACQUISITION, MATERIAL CHARACTERIZATION, AND POSTPROCESSING | 430 | ||
Dual-Energy Computed Tomography Acquisition and Material Characterization | 430 | ||
Dual-Energy Computed Tomography Postprocessing | 430 | ||
Calculation of effective atomic number | 430 | ||
Material decomposition | 431 | ||
Virtual monochromatic image reconstruction | 431 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY BONE AND CALCIUM REMOVAL FOR NEUROVASCULAR COMPUTED TOMOGRAPHY ANGIOGRAPHY | 431 | ||
Aneurysm Detection and Morphologic Visualization | 432 | ||
Evaluation of Atherosclerotic Arterial Stenosis | 433 | ||
Computed Tomography Venography | 433 | ||
CLINICAL USE OF VIRTUAL MONOCHROMATIC IMAGES | 434 | ||
Accentuation of Iodine Contrast Enhancement | 434 | ||
Metal Artifact Reduction | 435 | ||
ICA–PLAQUE EVALUATION: CA++ PLAQUE REMOVAL, IMPROVING RESIDUAL LUMINAL MEASUREMENT ACCURACY, AND REDUCING BLOOMING FROM CON ... | 436 | ||
ROLE OF VIRTUAL NONCONTRAST IMAGING IN INTRACRANIAL HEMORRHAGE | 436 | ||
Hemorrhage versus Leaked Iodine | 436 | ||
Intracranial Hemorrhage: Detection of Spot Sign or Underlying Lesion | 437 | ||
Opportunity for Radiation Dose Reduction: Reality? | 439 | ||
LIMITATIONS | 439 | ||
SUMMARY | 440 | ||
REFERENCES | 440 | ||
Applications of Dual-Energy Computed Tomography for the Evaluation of Head and Neck Squamous Cell Carcinoma | 445 | ||
Key points | 445 | ||
INTRODUCTION | 445 | ||
BASIC PRINCIPLES UNDERLYING DUAL-ENERGY COMPUTED TOMOGRAPHY MATERIAL CHARACTERIZATION | 446 | ||
OVERVIEW OF DUAL-ENERGY COMPUTED TOMOGRAPHY RECONSTRUCTIONS AND OPTIMAL RECONSTRUCTIONS FOR ROUTINE EVALUATION OF THE NECK | 446 | ||
Virtual Monochromatic Images | 447 | ||
Weighted Average Images | 447 | ||
Material Decomposition Maps | 448 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY APPLICATIONS FOR THE EVALUATION OF HEAD AND NECK SQUAMOUS CELL CARCINOMA | 448 | ||
Tumor Visibility and Soft Tissue Contrast | 449 | ||
Evaluation of Thyroid Cartilage and Cartilage Invasion | 452 | ||
Other Potential and Emerging Dual-Energy Computed Tomography Applications for the Evaluation of Head and Neck Squamous Cell ... | 453 | ||
Multiparametric Dual-Energy Computed Tomography Approach for Head and Neck Squamous Cell Carcinoma Evaluation | 456 | ||
SUMMARY | 457 | ||
REFERENCES | 457 | ||
Dual-Energy Computed Tomography Applications for the Evaluation of Cervical Lymphadenopathy | 461 | ||
Key points | 461 | ||
INTRODUCTION | 461 | ||
CONVENTIONAL COMPUTED TOMOGRAPHY IMAGING OF CERVICAL LYMPH NODES | 462 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY SCANNING OF CERVICAL LYMPH NODES | 462 | ||
Virtual Noncontrast Images | 462 | ||
Blended Images | 463 | ||
Virtual Monochromatic Images | 463 | ||
Iodine Map and Iodine Quantification | 463 | ||
Spectral Hounsfield Unit Attenuation Curves | 466 | ||
SUMMARY | 467 | ||
REFERENCES | 467 | ||
Miscellaneous and Emerging Applications of Dual-Energy Computed Tomography for the Evaluation of Pathologies in the Head an ... | 469 | ||
Key points | 469 | ||
INTRODUCTION | 469 | ||
BASIC PRINCIPLES OF DUAL-ENERGY COMPUTED TOMOGRAPHY | 469 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY POSTPROCESSING | 471 | ||
Linear Blending | 471 | ||
Nonlinear Blending | 471 | ||
MISCELLANEOUS AND EMERGING DUAL-ENERGY COMPUTED TOMOGRAPHY CLINICAL APPLICATIONS | 472 | ||
Material-Specific Applications | 472 | ||
Oncologic applications | 472 | ||
Vascular | 473 | ||
Skeletal | 475 | ||
Virtual unenhanced imaging | 476 | ||
Energy-specific Applications | 476 | ||
Virtual monoenergetic image | 476 | ||
Virtual monoenergetic image | 477 | ||
Oncologic | 477 | ||
Vascular | 478 | ||
Artifact reduction | 478 | ||
SUMMARY | 479 | ||
REFERENCES | 480 | ||
Dual Energy Computed Tomography Applications for the Evaluation of the Spine | 483 | ||
Key points | 483 | ||
INTRODUCTION | 483 | ||
BONE MINERAL DENSITY IMAGING | 483 | ||
BONE MARROW IMAGING | 484 | ||
POSTOPERATIVE SPINE | 484 | ||
URATE DEPOSITION IMAGING | 485 | ||
SUMMARY | 486 | ||
REFERENCES | 486 | ||
Applications of Dual-Energy Computed Tomography for Artifact Reduction in the Head, Neck, and Spine | 489 | ||
Key points | 489 | ||
INTRODUCTION | 489 | ||
PRINCIPLES AND STRATEGIES FOR ARTIFACT REDUCTION | 490 | ||
Virtual Monochromatic Series | 490 | ||
Material Decomposition | 490 | ||
ARTIFACT-REDUCTION STRATEGIES | 490 | ||
BEAM HARDENING | 491 | ||
Posterior Fossa | 491 | ||
Aneurysm Coils and Clips | 491 | ||
Dental Amalgam/Implants | 492 | ||
Spine Hardware | 492 | ||
Dense Iodinated Contrast and Osseous Structures | 493 | ||
SUMMARY | 496 | ||
REFERENCES | 496 | ||
Dual-Energy Computed Tomography of the Neck | 499 | ||
Key points | 499 | ||
INTRODUCTION | 499 | ||
OVERVIEW OF DIFFERENT DUAL-ENERGY COMPUTED TOMOGRAPHY RECONSTRUCTIONS | 500 | ||
NORMAL HEAD AND NECK ANATOMY ON DUAL-ENERGY COMPUTED TOMOGRAPHY | 501 | ||
HEAD AND NECK LESIONS AND VARIANTS ON DUAL-ENERGY COMPUTED TOMOGRAPHY | 505 | ||
Inflammatory and Infectious Diseases | 505 | ||
Benign Neck Lesions and Variants | 505 | ||
Parathyroid adenoma | 505 | ||
Vallecular cyst | 505 | ||
Ranula | 505 | ||
Thyroglossal duct cyst | 507 | ||
Thornwaldt cyst | 507 | ||
Laryngocele | 507 | ||
Branchial cleft cyst | 508 | ||
Lipoma | 508 | ||
Herniation of the sublingual gland through a mylohyoid boutonnière | 509 | ||
Salivary Gland Tumors | 510 | ||
Thyroid Carcinoma | 511 | ||
Lymphoma | 511 | ||
Head and Neck Squamous Cell Carcinoma | 513 | ||
Recurrent Head and Neck Squamous Cell Carcinoma and Post-treatment Changes | 518 | ||
Perineural Spread of Tumor | 518 | ||
ARTIFACT REDUCTION | 519 | ||
SUMMARY | 520 | ||
REFERENCES | 520 | ||
Routine Dual-Energy Computed Tomography Scanning of the Neck in Clinical Practice | 523 | ||
Key points | 523 | ||
INTRODUCTION | 523 | ||
PROSPECTIVE SCAN ACQUISITION IN DUAL-ENERGY COMPUTED TOMOGRAPHY MODE | 524 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY SCAN SELECTION ALGORITHMS | 524 | ||
COMPUTED TOMOGRAPHY DEPARTMENT PRODUCTIVITY AND TECHNOLOGIST WORKFLOW | 525 | ||
Initial Scan Organization and Scheduling | 525 | ||
Computed Tomography Technologist Training and Engagement | 526 | ||
Preset Dual-Energy Computed Tomography Protocols, Generation of Different Dual-Energy Computed Tomography Reconstructions, ... | 526 | ||
Overview of Scan Acquisition and Processing Times for Neck Computed Tomography Scans | 527 | ||
Spectral Image Datasets | 527 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY SCAN INTERPRETATION: RADIOLOGIST WORKFLOW | 528 | ||
Automatically Generated Advanced Dual-Energy Computed Tomography Reconstructions and Tailored Evaluation Using Advanced Dua ... | 528 | ||
Advanced Dual-Energy Computed Tomography Postprocessing Software | 530 | ||
Overview of the Use of Specialized Low-Energy Neck Reconstructions Available Through the Picture Archiving and Communicatio ... | 530 | ||
SUMMARY | 530 | ||
REFERENCES | 531 | ||
Advanced Tissue Characterization and Texture Analysis Using Dual-Energy Computed Tomography | 533 | ||
Key points | 533 | ||
INTRODUCTION | 533 | ||
BASIC PRINCIPLES OF MATERIAL CHARACTERIZATION IN DUAL-ENERGY COMPUTED TOMOGRAPHY SCANNING | 534 | ||
DUAL-ENERGY COMPUTED TOMOGRAPHY POSTPROCESSING: QUANTITATIVE ANALYSIS AND DIFFERENT DUAL-ENERGY COMPUTED TOMOGRAPHY RECONST ... | 535 | ||
Spectral Hounsfield Unit Attenuation Curves and Virtual Monochromatic Images | 536 | ||
Basis Material Decomposition Maps and Material Labeling | 536 | ||
OTHER DUAL-ENERGY COMPUTED TOMOGRAPHY ANALYTICAL TOOLS OR RECONSTRUCTIONS | 541 | ||
ADVANCED QUANTITATIVE APPROACHES FOR THE EVALUATION OF SPECTRAL DATA | 542 | ||
TEXTURE OR RADIOMIC ANALYSIS USING SPECTRAL DATA | 542 | ||
Preparation of Dual-Energy Computed Tomography Data for Texture Analysis | 543 | ||
Mathematical Texture Data Analysis and Application of Machine Learning Methods for Generation of Prediction Models | 543 | ||
SUMMARY | 544 | ||
REFERENCES | 545 |