Author: Aqil Jauhar
Protocol Structure
Colonography (Adult)
- Topogram Prone
- Colo Prone
- Topogram Supine
- Colo Supine IV
Topogram
From above the diaphragm until below of symphysis pubis
Non Contrast
Vertically: from above the diaphragm until below of symphysis pubis
Horizontal: include bilateral abdominal soft tissue
Reconstruction Non Contrast
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Injector Setting
NP Test
Flow rate: 3.0 ml/s
Volume: 15 ml
Abdomen Pelvis
Contrast
Flow rate: 3.0 ml/sec
Volume: 100 ml
Normal Saline
Flow rate: 3.0 ml/sec
Volume: 50 ml
Contrast
Air contrast
Non- Ionic Iodinated Contrast Media 300 mg I/ml Solution for injection/infusion
Reconstruction Contrast
[table id=38 /]
Multi Planar Reconstruction (MPR)
Parallel Ranges:
Image thickness : 3.0 mm
Number of images : 19
Colon IV:
Coronal abdomen IV (supine position)
Series of Images Send to PACS
Siemens SyngoVia 3D Render
- Open the series of images using ‘CT Colon’
- Select ‘Double Contrast’
- Select ‘Hide’
- At the right upper corner of the viewer, press ‘Show/Hide flight path’
- Open ‘Ranges Tools’ and select ‘Radial ranges’
Radial Ranges
Number of images : 19 (lock)
Angle between images : 19 degree
Save as VRT Range CT Colon
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