AIRO Application Guide Protocols & Principles

Application Guide Protocols and Principles
MI-42-0005 Rev 8
Table of Contents
1 Scan and Reconstruction 4
1.1 Concept of Scan Protocols 4
1.2 Scan Modes 4
1.2.1 Sequential Scanning 4
Acquisition, Slice Collimation and Slice Width for Sequential Scanning Mode 4
Pitch 4
Kernels 4
1.2.2 Helical Scanning 5
Acquisition, Slice Collimation and Slice Width for Helical Mode 5
Pitch 5
Kernels 5
2 Dose Information 6
2.1 CTDIw and CTDIvol 6
2.2 kV and Effective mAs 7
2.3 Adjusting for Image Noise 7
2.4 Weight Adaptation (For Some Protocols) 7
3 Scan Protocols 8
3.1 Head, Sinus & Orbit Studies 8
Overview 8
Hints in General 8
Category Parameters 9
3.1.1 HeadHelical 10
3.1.2 HeadSeq 11
3.1.3 SinusHelical 12
3.1.4 SinusSeq 13
3.1.5 OrbitHelical 14
3.1.6 OrbitSeq 15
3.2 Shoulder 16
Overview 16
Hints in General 16
3.2.1 ShoulderHelical 17
3.2.2 ShoulderSeq 18
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