Computer System and Console

Question 1

Act as the “control and processing center”

Answer 1

Computer System and Console

Question 2

While the (1) acquires raw signals, the (2) are responsible for reconstruction, visualization, data management, and operator interaction (Bushberg et al., 2012; Seeram, 2019).

Answer 2

1. scanner hardware
2. computer and console

Question 3

The powerful processing unit(s) that perform the mathematical reconstruction and storage of CT iages

Answer 3

Computer system

Question 4

Receives raw scan data (projections from detectors)

Answer 4

Computer system

Question 5

Runs reconstruction algorithms (eg., filtered back projection, iterative reconstruction)

Answer 5

Computer system

Question 6

Convert raw data into cross-sectional images (slices)

Answer 6

Computer system

Question 7

Handles advanced post-processing (3D rendering, multiplanar reformatting, perfusion studies, etc)

Answer 7

Computer system

Question 8

Archives images to PACS

Answer 8

Computer system

Question 9

Often integrated into the CT scanner hardware and connected to the console

Answer 9

Computer system

Question 10

Computer System Functions

Answer 10

1. Image reconstruction
2. Data Processing
3. System Control
4. Data management

Question 11

Converts raw signals from detectors into attenuation coefficients measured in Hounsfield Units (HU)

Answer 11

Computer System, Image Reconstruction

Question 12

Uses reconstruction algorithms like Filtered Back Projection (FBP)
and newer Iterative Reconstruction (IR) for noise reduction and dose optimization (Seeram, 2019)

Answer 12

Computer System, Image Reconstruction

Question 13

Applies filters (edge enhancement, smoothing)

Answer 13

Computer System, Data Processing

Question 14

Supports multiplanar reconstruction (MPR), maximum intensity projection (MIP), and 3D rendering.

Answer 14

Computer System, Data Processing

Question 15

Synchronizes the gantry, X-ray tube, detectors, and patient table during scanning

Answer 15

Coputer System, System Control

Question 16

Adjusts scanning parameters automatically or based on technologist input.

Answer 16

Coputer System, System Control

Question 17

Stores and organizes large image datasets.

Answer 17

Computer System, Data management

Question 18

Transmits data to PACS (Picture Archiving and Communication System) using DICOM (Digital Imaging and Communications in Medicine) standards (Hendee & Ritenour, 2019).

Answer 18

Computer System, Data management

Question 19

Specialized processors designed for real-time imaging.

Answer 19

Computer System Hardware Components

Question 20

High-performance CPU and GPU for rapid reconstruction.

Answer 20

Computer System Hardware Components

Question 21

High-capacity memory and storage for handling large datasets.

Answer 21

Computer System Hardware Components

Question 22

CPU vs GPU (Computer System)

Answer 22

CPU: controls the general functions of computer system
GPU: more on editing the image

Question 23

The user interface (often a workstation) where the RT controls and monitors the CT scanner

Answer 23

CT Console

Question 24

Sets scan parameters (kVp, mAs, slice thickness, scan range, etc)

Answer 24

CT Console

Question 25

Starting, pausing, or stopping a scan

Answer 25

CT Console

Question 26

Initial image review and basic post-processing

Answer 26

CT Console

Question 27

The "control panel" for operating the scanner

Answer 27

CT Console

Question 28

Operator’s interface with the CT scanner, usually a workstation with monitors, a keyboard/mouse, and specialized controls.

Answer 28

CT Console

Question 29

CT Console Functions

Answer 29

1. Scan planning 2. Real-time monitoring 3. Image display and review 4. Post-processing 5. Archiving and communication

Question 30

Selection of scan protocol (head, chest, abdomen, angiography).

Answer 30

CT Console, Scan planning

Question 31

Entry of patient demographics

Answer 31

CT Console, Scan planning

Question 32

Adjustment of technical factors: kVp, mAs, pitch, slice thickness, rotation time

Answer 32

CT Console, Scan planning

Question 33

Displays scout/localizer radiographs for slice planning.

Answer 33

CT Console, Real-time monitoring

Question 34

Tracks patient positioning and gantry rotation

Answer 34

CT Console, Real-time monitoring

Question 35

Allows modification of exposure parameters during scanning

Answer 35

CT Console, Real-time monitoring

Question 36

Immediate visualization of reconstructed images

Answer 36

CT Console, Image display and review

Question 37

Window width/level adjustments for tissue contrast (bone, lung, soft tissue)

Answer 37

CT Console, Image display and review

Question 38

Provides tools for MPR, 3D reconstruction, angiographic views.

Answer 38

CT Console, Post-processing

Question 39

Allows measurement of lesion size and HU value

Answer 39

CT Console, Post-processing

Question 40

Stores studies in the CT system.

Answer 40

CT Console, Archiving and Communication

Question 41

Transfers images to PACS for radiologist interpretation

Answer 41

CT Console, Archiving and Communication

Question 42

HIS (Hospital Information System): Patient scheduling and data.

Answer 42

CT Console, Integration with other systems

Question 43

RIS (Radiology Information System): Exam management and reporting.

Answer 43

CT Console, Integration with other systems

Question 44

PACS: Image storage and sharing.

Answer 44

CT Console, Integration with other systems

Question 45

AI Modules: Automated detection of abnormalities (e.g., hemorrhage, lung nodules).

Answer 45

CT Console, Integration with other systems

Question 46

2 Types of CT Consoles

Answer 46

1. main operating console 2. CT/ Post-processing console