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14 Cards in this Set
- Front
- Back
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The type of CT in which the radiation source is inside the patient
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emission CT
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The type of CT in which the radiation source is outside the patient
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transmission CT
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What is the term that refers to the collection of x-ray transmission measurements from the patient.
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Data Acquisition
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The image reconstruction algorithm used my Hounsfield to develop the first CT scanner was called the:
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algebraic reconstruction algorithm
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CT images can be stored on what 3 types of media?
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magnetic tape
magnetic disks optical storage technology |
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The detectors convert _____ _______ into ________ ________.
Which in turn must be converted into________ (___) data for input into the computer. |
x-ray photons (attenuation data)
electrical signals digital (numerical) |
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In what year did Hounsfield join the staff at EMI Limited?
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1951
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In what year was the first clinical prototype CT brain scanner (EMI Mark 1) installed at Atkinson-Morleys Hospital and clinical studies done?
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1971
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What two people received the Nobel Prize in Engineering in 1972?
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Hounsfield and McRobert
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In 1979, what two people shared the Nobel Prize in medicine and physiology?
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Hounsfield and Allan MacLeod Cormack.
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Who developed solutions to the mathematical problems in CT?
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Professor Cormack
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Who developed the first whole-body scanner and when?
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Dr. Robert Ledley in 1974
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What are the different dose descriptors?
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Single-Scan Dose Profile
Multiple-Scan Dose Drofile CT dose index (CTDI) Multiple-Scan Average Dose (MSAD) Isodose Curves |
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In what year did the U.S. FDA approve realtime CT flouroscopy as a clinical tool for use in radiology?
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1996
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