300-002547-00 rev7 25
The following table lists the slice thickness and slice interval for a 50% and 20%
overlap:
Slice
Thickness (mm)
Minimum Slice Interval (mm)
(at 50% Overlap)
Maximum Slice Interval (mm)
(at 20% Overlap)
1.0 0.5 0.8
1.25 0.625 1.0
1.5 0.75 1.2
2.0 1.00 1.6
2.5 1.25 2.0
3.0 1.50 2.4
4.0 2.00 3.2
5.0 2.50 4.0
NOTE: Overlap % = 100 x (thickness - interval) / thickness.
NOTE: To avoid excess CT noise, the patient should be immobile for the duration
of the scan. For the best 3D Map results, ensure the CT scan is taken with the
patient’s breath held on inspiration.
NOTE: CT scans must be in DICOM format. The DVD format must be UDF
version 1.02 to 2.60. Verify the disk content when the DVD is created to ensure
the disk is valid before attempting to use the disk with the Monarch Pre-Op
Planning Application.
The Monarch Pre-Op Planning Application will not load the PET portion of a
PET/CT scan.
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