Computed Tomography Scan: Principles, Concepts, and Historical Development

Play an AI-generated podcast conversation about this lesson

What is the main function of a CT scanner during the data acquisition process?

Collect the data (correct)

Convert data into shades of gray

Eliminate superimposition

Prepare data for display

Which historical development in CT technology occurred in 2005?

Introduction of 640-slice CT

Introduction of 64-slice helical CT

Introduction of 320-slice helical CT (correct)

Introduction of 8- and 16-slice scanners

What is a major disadvantage associated with CT scans?

Improved contrast resolution

Eliminates superimposition

Superior quality image

High patient dose (correct)

Which term refers to the process of using the collected information to prepare it for display in CT imaging?

Reconstruction Signup and view all the answers

What is a potential drawback of CT scans related to patient experience?

Possible allergic reaction Signup and view all the answers

Which feature was specific to the Toshiba 640-slice CT scanner?

320 detector rows Signup and view all the answers

What type of imaging technique uses a rotating fan beam and detector array to create cross-sectional tomographic sections of the body?

Computed reconstruction tomography Signup and view all the answers

What is the main advantage of computed tomography (CT) related to image quality?

Improved image quality Signup and view all the answers

Which term is NOT used as an alternative name for Computed Tomography?

Ultrasonic cross-sectional imaging Signup and view all the answers

What is the advantage of CT in imaging large vessels compared to other techniques?

Superior image quality Signup and view all the answers

What is a common disadvantage associated with CT scans related to patient experience?

Possible allergic reactions Signup and view all the answers

During which process does CT convert the process data into shades of gray for viewing?

Image display Signup and view all the answers

What was the significant advancement in CT technology that occurred around 2012?

Introduction of the Toshiba 640-slice scanner Signup and view all the answers

Who is credited with demonstrating the CT technique first?

Godfrey Newboid Hounsfield Signup and view all the answers

Which inventor is known as the Father of body section imaging?

André Bocage Signup and view all the answers

Who proposed a method to represent a single slice of the body on radiographic film?

Allesandro Vallebona Signup and view all the answers

In which year did William David Coolidge invent the hot cathode x-ray tube?

1913 Signup and view all the answers

Which scientist demonstrated mathematically the basis for CT image construction?

Johann Radon Signup and view all the answers

Who published a theoretical analysis and experimental scanner results using a computer for image reconstruction?

Allan Cormack Signup and view all the answers

Who were the two individuals who shared the Nobel Prize in Physics in 1979 for their work on the CT technique?

Allan Mcleod Cormack and Godfrey Hounsfield Signup and view all the answers

What major development occurred in CT scanners in 1980?

Reduction of scan time to 1 to 3 seconds Signup and view all the answers

Which company manufactured the first spiral (helical) CT scanner that entered the market in 1989?

Siemens Signup and view all the answers

Computed Tomography Scan: Principles, Concepts, and Historical Development

Podcast Beta

Questions and Answers