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Medical Technology Management Institute

Phone: 1-800-765-MTMI (6864)


3 Day CR/DR Training Course for Technologists
Course Overview
In recent years computers have infiltrated the way radiology images
are acquired, processed, displayed
and stored. CR and DR systems are rapidly replacing conventional film-based radiography systems and technologists need to fully understand the way these systems operate. Issues such “dose-creep”, multiple-fields exposure, grid utilization and artifact remediation need to be understood. The most common issues faced by the technologist in his/her daily interaction with digital radiography systems will be addressed. Errors and systems malfunctions and their impact on image quality or patient safety will be explained. This course will provide technologists with the image analysis tools they will need to make a correct assessment of digital images and how to best optimize their quality while keeping patient dose low. The course will also review Quality Assurance procedures for CR and DR systems.
Course Objectives
At the completion of this course,
participants will be able to:

  • Describe the technology of digital projection imaging.
  • Understand key concepts such as histogram analysis and its correlation with image quality.
  • Understand the technological differences of CR and DR and the different vendor options.
  • Perform image processing in a responsible manner.
  • Understand the clinical advantages and limitations of CR and DR.
  • Understand the processes by which artifacts are created and find remedies.
  • Understand the particularities of exposure parameters in digital imaging (kVp, mAs, SID)
  • Perform digital image analysis.
  • Perform QA testing of CR and DR Systems
Locations & Dates
Dates To Be Determined

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Who Should Attend
This course is designed for all imaging professionals who are interested in increasing their knowledge of this rapidly expanding modality. Both radiological technologists who currently are working in digital radiography, and those who are making the transition into digital radiography will benefit from this course. A good understanding of the principles of conventional film screen radiography will be assumed.
Faculty
Stewart C. Bushong, ScD, FACR, FAAPM
Philippe Moh, Mphil, BS, RT(R)
Course Credit
This course provides 21 Hours Category A continuing education credit for radiologic technologists. A certificate of attendance will be provided for each individual upon completion of the course. All attendees must attend the entire course to receive full credit. Credit is awarded for radiologic technologists as ARRT Category A Credit approved by the ASRT, and credit from various licensure states.
MTMI Membership
Membership in the Medical Technology Management Institute includes:
  • discounts on MTMI services
  • member newsletter
  • web access to MTMI records
  • yearly transcripts
  • special benefits throught the year exclusive to members

Check the "Yes, I want to be an MTMI member" box
on the registration form below and save $25 today!

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Course Schedule
Day 1
8:30am - 4:30pm (lunch on your own)
Key Concepts of Digital Radiography

Digital Radiography Technology

Cassette Based (CR) vs. Cassette-less (DR) Systems
Digital Receptors
  • Photo-stimulable phosphor plates
  • Direct vs. indirect detector
  • Charge coupled devices
  • Database basics
  • Spatial resolution
  • Amorphous silicon vs. selinium flat panels
Detector Properties
  • Spatial resolution
  • Dose efficiency (DQE)
  • Dynamic range and latitude
Exposure Techniques in Digital Radiography:
The Fundamental Principles
  • kVp selection
  • mAS selection
  • "S" number/EI value/LgM value/DAP
  • "Dose creep"
Day 2
8:30am - 4:30 pm (lunch on your own)
Digital Image Acquisition and Processing

Image Extraction in CR and DR Systems

Initial Image Processing
  • Histogram analysis
  • Exposure index determination
  • Automatic re-scaling
Final Image Processing
  • Gradient processing
  • Frequency processing
  • Tissue equalization
  • Excessive processing
  • Dual energy subtraction
Digital Image Analysis, what you need to look for
  • Determining appropriate exposure levels
  • Identifying exposure recognition failure or histogram analysis error
  • Contrast evaluation
  • Recorded detail
  • Artifacts
The Do's and Don't's of Digital Radiography

Beam/Part/Receptor Alignment: exposure field recognition

Histogram Analysis Errors

Scatter Control in Digital Radiography

Grid Utilization

Arifacts Analysis and Remedies

Day 3
8:30am - 3:30pm (lunch on your own)
Total Quality Management of CR and DR Systems
  • Quality control standards
  • Schedule and responsibilities for technolgists, physicists, service personnel
Quality Assurance Protocols for Digital Radiography Systems
  • Linearity and system transfer properties
  • Erasure cycle efficiency
  • Sensitivity index calibration and consistency
  • Limiting spatial resolution
  • Laser beam function(CR)
  • Moire patterns
  • Cleaning, inspecting, maintaining plates (CR)
  • Reject analysis
Quality Assurance of Soft Copy Display Systems
  • Monitor and laser printer set-up (TG18 report)
    • Course Review
    *Schedule is subject to change.
    Registration
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    All prices for dates in the US are in US dollars.
    All prices for dates in Canada are in Canadian dollars.



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    Last modified: August 16 2011 16:35:32.  Top | Back