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Table of contents

Quality Control in CT

CT scanner testing

References and resources

References and resources (1)

Installation / acceptance / commissioning

What phantoms should I use ?

What phantoms should I use ? (2)

What phantoms should I use ? (3)

What phantoms should I use ? (4)

Multi-slice scanners

Multi-slice scanners (2)

Multi-slice scanners (3)

Multi-slice scanners (4)

Multi-slice scanners (5)

IPEM 77: Recommended measurements

How Long Have You Got?

What are you checking for?

IPEM Report 77

Data records

Data records (2)

Data records (3)

Image noise

Reliable noise measurements

Measurement of noise in multi-slice

Measurement of noise in multi-slice (2)

Measurement of noise in multi-slice (3)

Measurement of noise in multi-slice (4)

Helical multi-slice

Why measure noise?

Why measure noise? (2)

CT number

Why test CT number constancy?

CTDI in air

CTDI in air: accuracy of set-up

Why measure CTDI?

IPEM 77: Recommended measurements (2)

Multi-slice scanners (6)

Irradiated slice width

Measuring the irradiated slice width

Measuring the irradiated slice width (2)

Imaged slice width

Why measure axial imaged slice width?

Multi-slice imaged slice width

Spatial resolution: how to measure?

Measurement of spatial resolution

Spatial resolution

Mechanical tests

Light alignment with scan plane

Light alignment with scan plane: film method

Light alignment with scan plane: film method (2)

Couch height

Couch height (2)

Couch distance accuracy: direct measurement

Couch distance accuracy: direct measurement (2)

Loading the couch

Couch position accuracy : scanner control

Couch position accuracy : scanner control (2)

Couch deflection

Couch deflection (2)

Couch deflection (3)

Multi-slice testing tips

Which parameters affect measurements?

Author: ImPACT

E-mail: impact@impactscan.org

Homepage: http://www.impactscan.org/

ImPACT course presentation index: http://www.impactscan.org/impactcourseslides.htm