BOOK
Breast Imaging, An Issue of Radiologic Clinics of North America, E-Book
Christopher E. Comstock | Cecilia L. Mercado
(2014)
Additional Information
Book Details
Abstract
Guest edited by Christopher Comstock of Memorial Sloan-Kettering, this issue of Radiologic Clinics will provide all of the latest guidelines and techniques for breast imaging. Modalities include MRI, MR-CAD, digital tomosynthesis, and ultrasound.
Table of Contents
Section Title | Page | Action | Price |
---|---|---|---|
Front Cover | Cover | ||
Breast Imaging | i | ||
copyright\r | ii | ||
Contributors | iii | ||
Contents | v | ||
Radiologic Clinics Of North America\r | ix | ||
Preface | xi | ||
Screening Mammography Benefit Controversies | 455 | ||
Key points | 455 | ||
Randomized trials have proven that early detection reduces breast cancer death rates | 456 | ||
Results of RCTs | 456 | ||
Origins of the Controversy Regarding Women Aged 40 to 49 Years | 458 | ||
Mortality Reduction Among Women Screened in Their 40s | 459 | ||
Screening Women 75 Years of Age and Older | 459 | ||
Why Do Randomized Trials Underestimate the Benefit from Screening? | 460 | ||
Validity of RCT Results: the Gotzsche and Olsen Controversy | 461 | ||
Service screening studies | 463 | ||
IBM Studies | 463 | ||
Case-Control Studies | 464 | ||
Trend Studies | 465 | ||
Can modern treatment substitute for early detection? | 465 | ||
The overdiagnosis controversy | 467 | ||
Was there Overdiagnosis in RCTs? | 467 | ||
How Frequent was Overdiagnosis in Service Screening Studies? | 467 | ||
What Length of Follow-Up Is Needed for an Accurate Estimate of Overdiagnosis? | 467 | ||
Use of Trend Studies to Estimate Overdiagnosis | 468 | ||
Is ductal carcinoma in situ a real cancer? | 469 | ||
How frequently should women be screened? | 470 | ||
Mathematical Models | 470 | ||
Clinical Observational Studies | 471 | ||
USPSTF Controversy | 471 | ||
Absolute and Relative Benefit | 472 | ||
Benefits and Costs | 473 | ||
Summary | 474 | ||
References | 474 | ||
BI-RADS Update | 481 | ||
Key points | 481 | ||
Introduction | 481 | ||
Breast imaging lexicon | 481 | ||
Mammography Lexicon | 481 | ||
Ultrasound Lexicon | 482 | ||
Magnetic Resonance Imaging Lexicon | 482 | ||
Reporting system | 483 | ||
Auditing | 485 | ||
Assessment categories | 485 | ||
Summary | 486 | ||
Addendum | 486 | ||
References | 486 | ||
Digital Tomosynthesis | 489 | ||
Key points | 489 | ||
Introduction | 489 | ||
Image acquisition | 489 | ||
Geometry | 489 | ||
Step-and-shoot Versus Continuous Gantry Motion | 490 | ||
Scan Angle, Angular Sampling, and Number of Projections | 490 | ||
Scatter | 491 | ||
Technique Selection (Tube Voltage, Tube Current, and Target-Filter Combination) | 491 | ||
Reconstruction techniques | 491 | ||
Filtered Backprojection | 491 | ||
Iterative Techniques | 492 | ||
Artifacts | 493 | ||
Spatial Resolution | 493 | ||
Comparison with Breast CT | 494 | ||
Dose and dose optimization | 495 | ||
Summary | 495 | ||
References | 496 | ||
Clinical Implementation of Digital Breast Tomosynthesis | 499 | ||
Key points | 499 | ||
Introduction | 499 | ||
Why digital breast tomosynthesis? | 499 | ||
Summary of DBT data | 500 | ||
DBT in Screening | 500 | ||
Screening DBT: One View Versus Two Views | 501 | ||
Tomosynthesis Performance Versus Breast Density | 502 | ||
Tomosynthesis in Diagnostic Imaging | 503 | ||
Calcifications with DBT | 509 | ||
Basics of DBT interpretation | 510 | ||
What Is in a DBT Image Set? | 510 | ||
Tools for DBT Interpretation | 510 | ||
Triangulation | 510 | ||
Slabbing | 510 | ||
How to Incorporate the DBT Images into Hanging Protocols | 511 | ||
Considerations in DBT implementation | 511 | ||
Dose Concerns | 511 | ||
CAD in DBT | 513 | ||
Interpretation Time | 514 | ||
Image Storage Issues | 515 | ||
Learning Curve and DBT Training | 515 | ||
Reimbursement | 515 | ||
Summary | 515 | ||
References | 516 | ||
High-quality Breast Ultrasonography | 519 | ||
Key points | 519 | ||
Introduction | 519 | ||
Patient positioning | 519 | ||
Transducer selection | 520 | ||
Image resolution | 520 | ||
Focal zone | 520 | ||
Depth | 521 | ||
Gain and time gain compensation | 521 | ||
Spatial compound imaging | 521 | ||
Harmonic imaging | 522 | ||
Color Doppler and power Doppler | 522 | ||
Real-time imaging | 522 | ||
Targeted ultrasound: lesion correlation | 523 | ||
American College of Radiology accreditation | 524 | ||
Summary | 525 | ||
References | 525 | ||
Update on Screening Breast Ultrasonography | 527 | ||
Key points | 527 | ||
Current recommendations for screening breast ultrasonography | 527 | ||
Review of the literature on screening whole-breast ultrasonography | 528 | ||
Handheld Screening Whole-Breast Ultrasonography | 528 | ||
Ultrasonography Screening Methods: Handheld Versus Automated Whole-breast Ultrasonography | 530 | ||
Supplemental Screening Ultrasonography Versus Supplemental Screening MR Imaging | 532 | ||
Factors influencing the implementation of screening breast ultrasonography | 533 | ||
High Rate of False-positives | 533 | ||
Probably Benign Findings Requiring Short-interval Follow-up | 533 | ||
Certification and Accreditation for Screening Breast Ultrasonography | 534 | ||
Political and Economic Factors | 534 | ||
Summary | 535 | ||
References | 535 | ||
Automated Whole Breast Ultrasound | 539 | ||
Key points | 539 | ||
History | 539 | ||
Equipment/Systems | 540 | ||
Technology | 543 | ||
Clinical use/workflow | 543 | ||
References | 546 | ||
High-Quality Breast MRI | 547 | ||
Key points | 547 | ||
Introduction | 547 | ||
Equipment requirements | 548 | ||
Adequate Magnetic Field Strength and Homogeneity | 548 | ||
A Bilateral Breast Coil with Prone Positioning | 549 | ||
Adequate Magnetic Field Gradients | 550 | ||
Good Fat Suppression Over Both Breasts | 551 | ||
Pulse sequence requirements | 551 | ||
Gd-chelate Contrast Agent Administration: 0.1 mmol/kg Followed by 20 mL of Saline | 554 | ||
Bilateral Acquisition with Prone Positioning | 555 | ||
A 3D Fourier Transform Gradient-Echo T1-Weighted Pulse Sequence | 556 | ||
Adequately Thin Slices of 3 mm or Less | 556 | ||
Pixel Sizes of Less than 1 mm in Each In-Plane Direction | 556 | ||
Phase-Encoding Direction Chosen to Minimize Artifacts Across the Breasts | 556 | ||
Total 3DFT Acquisition Time for Each Series of 1 to 3 Minutes | 558 | ||
Adequate SNR to Visualize Small Enhancing Vessels on 3D Maximum Intensity Projection Images | 560 | ||
The ACR Breast MRI Accreditation Program | 560 | ||
Summary | 561 | ||
References | 561 | ||
Approach to Breast Magnetic Resonance Imaging Interpretation | 563 | ||
Key points | 563 | ||
Introduction | 563 | ||
Before the examination | 564 | ||
Current Indications for Breast MR Imaging | 564 | ||
Patient Information Gathering | 564 | ||
Examination acquisition | 565 | ||
Equipment and Positioning | 565 | ||
Imaging Parameters | 567 | ||
Postprocessing | 567 | ||
Interpretation process | 568 | ||
Global Approach: Fibroglandular Volume and BPE | 569 | ||
Focal Approach: Morphology and Kinetic Assessment | 572 | ||
Morphologic Assessment | 572 | ||
Kinetic Assessment | 573 | ||
Additional Findings | 576 | ||
Reporting | 577 | ||
Summary | 580 | ||
References | 580 | ||
Breast Magnetic Resonance Imaging | 585 | ||
Key points | 585 | ||
Introduction | 585 | ||
Clinical significance of an enhancing focus | 585 | ||
Characteristics of foci: examination indication | 586 | ||
Characteristics of foci: kinetic analysis | 586 | ||
Characteristics of foci: T2-weighted signal intensity | 587 | ||
Characteristics of foci: size | 588 | ||
Characteristics of foci: interval change and number | 588 | ||
Summary | 588 | ||
References | 588 | ||
MR Evaluation of Breast Implants | 591 | ||
Key points | 591 | ||
Introduction | 591 | ||
Evaluation of Implant Integrity | 591 | ||
Relationship to Breast Lesions | 592 | ||
Soft-Tissue (Extracapsular) Silicone | 592 | ||
Implant Volume | 593 | ||
Determination of Implant Type and Manufacturer | 593 | ||
Normal breast MR imaging appearances and imaging technique | 593 | ||
Mammography, Ultrasound, and CT Imaging | 594 | ||
MR Imaging | 594 | ||
Silicone molecular structure | 595 | ||
Anatomy | 595 | ||
Parameter settings in breast implant MR imaging | 596 | ||
Extracapsular silicone | 596 | ||
Intracapsular silicone | 596 | ||
Breast implant MR imaging pulse sequences | 597 | ||
MR image acquisition hints and pitfalls | 598 | ||
Normal MR imaging appearance and variants of silicone gel–filled breast implants | 600 | ||
Single lumen | 600 | ||
Standard double-lumen | 601 | ||
Gel-gel double lumen | 601 | ||
Reverse double-lumen expander-implant | 601 | ||
Abnormal imaging findings | 601 | ||
Diagnosis of Rupture | 601 | ||
Diagnosis of Deflation | 603 | ||
Diagnosis of Soft Tissue Silicone | 604 | ||
Differential Diagnosis | 604 | ||
Additional Pearls, Pitfalls, and Variants | 605 | ||
What the Referring Physician Needs to Know | 606 | ||
Summary | 606 | ||
References | 607 | ||
Contrast-Enhanced Digital Mammography | 609 | ||
Key points | 609 | ||
Contrast-enhanced mammography | 609 | ||
Digital subtraction angiography | 610 | ||
Temporal technique | 610 | ||
Contrast-enhanced dual-energy digital mammography | 611 | ||
Summary | 615 | ||
References | 615 | ||
Index | 617 |