Uses film & intensifying screen in the image formation process
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CONVENTIONAL RADIOGRAPHY
Automatic & manual processing in the darkroom
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Digital Imaging
Allows text, photos, drawings, animations & video to appear on the internet.
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Digital Imaging
Any imaging acquisition process that produces an electronic image that can be viewed & manipulated on a computer.
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DIGITAL RADIOGRAPHY
Filmless imaging system that uses a sensor to capture images, then converts the images into electronic pieces and stores them in a computer
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Computed Tomography
1970's, Godfrey Hounsfield, used to image the head only
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MRI (magnetic resonance imaging)
Introduced in 1980's
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Paul C. Lauterbur
He published the theory behind it in March 1973
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September 2, 1971
Paul C. Lauterbur developed the idea of the MRI
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fluoroscopy
Advances in 1970's
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fluoroscopy
Study of moving body structures
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fluoroscopy
A continuous x-ray beam is passed through the body part being examined.
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Digital Radiography
Dr. Albert Jutras
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Dr. Albert Jutras
Introduced the concept of moving images digitally in his experimentation with Teleradiology
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Computed Radiography (CR)
Cassette-based DR
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Computed Radiography (CR)
A digital acquisition modality that uses storage phosphor plates to produce projection images.
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Computed Radiography (CR)
Introduced commercially in the US in 1983 by Fuji Medical Systems
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Digital Radiography
uses an x-ray absorber material coupled to a flat panel detector (FPD) or a charged coupled device (CCD) to form the image
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Digital Radiography
an existing x-ray room needs to be retrofitted with these devices if a new DR room is not installed
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Direct capture and Indirect capture
DR can be divided into two categories
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Indirect capture
x - light - e absorb x-rays and convert them into light then converted into an electrical signal
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Direct capture
x - e (x-ray energy directly into an electrical signal)
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PACS
Picture Archiving and Communication System
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DICOM
PACS can accept any image that is in digital imaging and communications in medicine ____ format, for which it is set up to receive, whether it is from cardiology, radiology, or pathology.
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1993
First full-scale PACS in VA Medical Center, Baltimore, USA
Studied by 20 people
