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About This Seminar
With the recent incidents involving patient overexposure, a great deal of publicity and attention has been put on the technology of computed tomography.
Medical physicists have a critical role to play in helping facilities control radiation dose and improve imaging techniques to provide valuable clinical
information while minimizing risk. The requirement for facilities to accredit their CT units is growing with the approaching 2012 deadline of the MIPPA
regulations. This is posing a challenge to medical physicists to increase their knowledge of this technology and the accreditation procedures for CT
units. This seminar will provide an interactive forum with time for discussion of important aspects of CT scanner operation, testing and QC.
Participants are invited to bring their questions and concerns about supporting these units for an exchange with other attendees and the faculty. This
seminar will provide 15 hours of continuing education credit as required by the ACR for qualified medical physicists supporting accredited facilities.
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Educational Objectives
At the completion of this
seminar attendees will:
- Understand the technology of multi-slice/multi-detector CT units.
- Learn how radiation dose from CT units is measured and controlled.
- Understand the development and modification of CT protocols.
- Be familiar with reconstruction algorithms for various clinical applications.
- Be able to design an effective QC program for technologists and the physicist.
- Understand the requirements, testing required and proper submission of accreditation applications.
- Be familiar with various special applications and future directions
of CT.
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Locations & Dates
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Seminar Format
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Each session/presentation in the seminar will be given in lecture format using audio-visual materials. A syllabus with supporting material for
each presentation will be provided to all attendees as well as a CD-ROM of the slides presented. The exchange of practical experience between
faculty members and attendees will be encouraged. Bring your questions and experience to share with others.
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Who Should Attend
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- Medical Physicists
- Technically knowledgeable technologists
- Vendor personnel working in CT
- Others interested in the technology of CT scanning
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Seminar Credit
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This activity is designed to provide continuing education in CT Imaging for the practicing clinical medical physicist and interested
technologists.
This seminar series has been submitted for approval to CAMPEP for up to 15 hours of Medical Physics Continuing Education Credit (MPCEC) for
qualified medical physicists.
Category A credit recognized by the ARRT for Radiologic Technologists has also been approved.
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Program Directors
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Program Directors for this seminar are
Doug Pfeiffer, MS from Boulder Community Hospital in Boulder, CO and
J. Ed Barnes, PhD, FACR, from the Medical Technology Management Institute.
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Faculty
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Doug Pfeiffer, MS
Boulder Community Hospital
Boulder, CO
William Davros, PhD
Cleveland Clinic,
Cleveland, OH
Kalpana Kanal, PhD, DABR
University of Washington
Seattle, WA
Myron Pozniak, MD
University of Wisconsin
Madison, WI
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Seminar Schedule
Day One
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7:15 am
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Registration and Coffee
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8:00 am
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Computed Tomography: A Review of the Basics ... Kanal
- Reconstruction of an image from projections
- Scanner geometry, x-ray production
- Corrections required (Bowtie filters, reference detectors, etc.)
- Factors affecting CT image quality
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9:00 am
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Technology of Multi-Slice/Multi-detector CT Systems ... Davros
- Detector configurations
- Beam geometry
- Pitch
- Dual source
- Dual energy
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10:00 am
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Informal Discussion and Break
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10:15 am
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Clinical Applications of CT: An Overview ... Pozniak
- Head
- Body
- Cardiac
- Pediatric
- Special procedures
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11:15 am
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Applying CT Reconstruction Algorithms ... Pfeiffer
- Image quality impact
- Impact on noise
- Clinical application
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12:15 pm
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Lunch (on your own)
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1:15 pm
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CT Image Quality Requirements, A Radiologist's Perspective ... Pozniak
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2:00 pm
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Optimizing CT Protocols ... Davros
- kVp
- Dose modulation
- Detector configuration
- Pitch
- Reconstruction algorithm
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3:00 pm
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Vascular CT Applications ... Pozniak
- CT Angiography
- Cardiac imaging
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3:30 pm
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Informal Discussion and Break
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3:45 pm
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Techniques for Measuring CT Dose ... Davros
- Limitations of CTDI
- Assessing patient dose
- Large beams
- Future directions
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4:45 pm
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Identifying Artifacts in CT Images ... Kanal
- Sources of artifacts
- Minimizing CT artifacts
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5:30 pm
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Questions and Answers
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5:45 pm
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Adjourn for the Day
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Day Two
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7:30 am
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Coffee
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8:00 am
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CT Dose Control ... Davros
- Dose reduction methods
- Dose impact
- Pediatric dose control
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9:00 am
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CT Accreditation Overview ... Pfeiffer
- Accrediting bodies
- Program overviews
- Submission procedures and requirements
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10:00 am
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Informal Discussion and Break
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10:15 am
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Pitfalls and Solutions to Accreditation Submissions ... Kanal
- Phantom image quality
- Dosimetry
- Physicist role
- Pitfalls and solutions
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11:15 am
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CT Testing and QA for Physicists ... Pfeiffer
- Acceptance testing
- Frequency
- Image quality measures
- Beam geometry
- Generator performance
- Dosimetry
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12:15 pm
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Lunch (on your own)
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1:15 pm
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Designing a QA Program for Technologists ... Pfeiffer
- Frequency
- CT number
- Noise
- Artifacts
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2:15 pm
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Current Issues in CT ... Kanal
- FDA alert
- CA, state legislation
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2:45 pm
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Informal Discussion and Break
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3:00 pm
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CT Special Applications ... Davros
- Virtual Colonoscopy
- 3D/4D
- Portable units
- Image fusion
- Radiation therapy
- Hybrid CT (SPECT/CT, PET/CT)
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4:15 pm
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Questions and Answers
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4:30 pm
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Adjourn
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Registration
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