Exam (elaborations)
Computed Tomography CT questions with correct answers 100%.
- Course
- Institution
Computed Tomography CT questions with correct answers 100%.
[Show more]
Seller
Follow
Content preview
Computed Tomography CT questions with correct answers 100%.Computed Tomography (CT) ANS - Medical Imaging technique in which computer-enhanced cross-
sectional X-ray images are obtained for a diagnoses.
Johann Radon ANS - He developed the mathematical theory "Radon Transform" in 1917 that allowed images to be reconstructed from medical scans. Lay the groundwork for Hounsfield/Cormack*
Godfrey Hounsfield ANS - "Father of CT" / British Engineer
He developed the FIRST Axial CT scanner for EMI Laboratories in 1972.
Allan MacLeod Cormack ANS - South African Physicist
He developed the necessary mathematics in order for the FIRST Axial CT scanner to function in 1972.
James Ambrose ANS - Radiologist at Atkinson-Morley's Hospital
He worked with Hounsfield in order to evaluate the usefulness of the FIRST CT machine in 1972.
October 1, 1972 ANS - Date that the FIRST CT scan was done on a LIVING human being. Helped to diagnose a brain lesion in a female patient.
Computerized transverse axial scanning ANS - The name of the first CT scanner, 1972.
Dr. Robert Ledley ANS - Professor of Radiology, Physiology and Biophysics
He developed the FIRST full-body CT machine 1974.
CT "generations" ANS - Referred to the method of CT scanning, it describes the advancements in Technology through the years.
First Generation - Modern CT scanners (3) CT Beam Geometries ANS - *The size, shape, and motion of the beam and its path Pencil - Parallel beam
Fan - 10 degree divergent beam
Cone - Wide divergent fan beam *Modern CT*
First generation CT scanner ANS - Head Imaging Only / Pencil Beam / 1972
Translate-Rotate
Scan, table moves, scan..etc "Water Bag" Head cap - 1st gen only
SLOW
Second generation CT scanner ANS - Head Imaging Only / Mini Fan Beam / 1974
Translate-Rotate
Scan, table moves, scan..etc
Faster than 1st gen, SLOW
Third generation CT scanner ANS - THIS GEOMETRY WON / 1975
All Imaging / Fan beam Rotate-Rotate Curved array of detectors
Beam AND Detectors rotated 360 degrees around pt
FAST
Fourth generation CT scanner ANS - All Imaging / Fan Beam / 1976
Rotate-Stationary
X-ray beam rotated 360 degrees around the patient, but the detectors were stationary in a circle
FAST , expensive, high scatter
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Professorkaylee. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.29. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79789 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now