IPEM 77: Recommended measurements

• CT01 and CT03: Noise

• CT02 and CT04: CT number constancy

• CT05: CT number uniformity

• CT06: CTDI

• CT07: Irradiated slice width

• CT08: High contrast spatial resolution

• CT09: Image slice width (z-sensitivity)

• CT10: Alignment light accuracy

• CT11: Table top incrementation

• CT12: Couch travel accuracy (spiral)