Course Overview

Course Outline





Sectional Anatomy

CT CrossTrainer

CT Registry Review

MR CrossTrainer

MRI Registry Review

Digital Mammography Essentials

Digital Breast Tomosynthesis Essentials

Radiology Trends



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Course Outline



1. Getting to Know Digital Mammography

· Breast Cancer
· History of Mammography
· Applications of Mammography
· Mammographic Imaging Theory
· How Mammography Has Been Traditionally Performed
· Limitations of Mammography
· Sensitivity
· Specificity
· Sensitivity and Specificity Together
· Other Performance Limitations of Mammography
· Introduction of Digital Mammography
· Digital Mammography Defined
· How Digital Mammography Works: an Overview
· Benefits of Digital Information
· Early Challenges for Digital Mammography
· Technical Challenges
· Regulatory Challenges
· Market Acceptance
· Comparing Digital Mammograms to Film Mammograms
· Current State of Digital Mammography
· Performance of Digital Mammography
· Understanding a Digital Signal

2. Hardware and System Operation

· Overview of a Digital Mammography System
· System Components
· Acquisition Console
· Digital-to-Analog Converter
· Introduction to the Gantry and its Functional Sections
· X-ray Generation Section of the Gantry
· High Voltage Generator
· Mammography X-ray Tube
· Beam Filtration
· Collimation
· Breast Positioning Section of the Gantry
· Compression Hardware
· Image Detection Section of the Gantry
· Anti-scatter Grid: Linear Grids, HTC Grids
· Digital Detectors: Digital Detectors vs. Screen-film, Indirect Conversion Digital, Direct Conversion Digital, Common Types of Digital Detectors
· Detector Readout Electronics
· Analog-to-Digital Converter
· Acquisition Console Image Processing
· Picture Archiving and Communication System
· Softcopy Review Workstation
· Hardcopy Device



3. Image Formation and Quality

· Performing the Digital Mammography Examination
· Positioning the Breast
· Understanding Detector Field-of-View in Digital Mammography
· Exposure Techniques
· Performing the Acquisition
· Formation of a Digital Mammography Image
· How Image Pixel Values are Determined
· Displaying Digital Mammography Images
· Acquired Image vs Displayed Image
· Reviewing the Image
· Digital Mammography Image Processing: Image Processing in the Background, Interactive Image Processing
· Performing the Study: Summary
· Image Quality in Digital Mammography
· Factors That Affect Image Quality: Contrast, Resolution, Noise
· Methods Used to Characterize System Quality: Modulation Transfer Function, Detective Quantum Efficiency
· Quality Control: Detector Quality Control, AEC/Dose Performance Quality Control, Softcopy Display Quality Control, Laser Printer Quality Control

4. Advanced Topics in Digital Mammography

· Computer Aided Detection
· The CAD Report
· How CAD Works
· CAD Today and into the Future
· Contrast Enhanced Mammography
· Principles of Contrast Agents
· Administration of the Contrast Agent
· Functional Imaging
· Imaging Methods
· Tomosynthesis
· Tomosynthesis Reconstruction
· Benefits and Expectations of Tomosynthesis
· Tomosynthesis in Clinical Practice
· Other "3-D" Digital Mammography Technologies
· Dedicated Breast CT Scanner
· Stereo Mammography
· Fusion Imaging
· Fusion with Ultrasound
· Fusion with Nuclear Imaging
· Fusion with Other Modalities
· Telemammography
· Breast Cancer Risk Assessment


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