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RadiAnt DICOM Viewer - Discussion Forum
MPR issue

Mar 1, 2021 06:51 PM
by Marcin
I've just downloaded 7T brain MRI (945 MB file: 880 x 880 x 640 voxels) and wanted to look on this scan in MPR. Unfortunately this option is not available. Why? Memory probably is not an issue (16 GB RAM on board). What can I do to use MPR?

Thanks in advance,
Mar 2, 2021 09:45 PM
by Marcin
Ok, once again.
Is there a limit for maximum amount data in MPR reconstruction in Radiant?
What else can cause inability to work in MPR mode?

Mar 2, 2021 09:53 PM
by RadiAnt
Marcin, your DICOM files are probably missing some of the required spatial information. These is an example of the DICOM tags which must be present for the MPR feature to work:

0020,0032 Image Position (Patient) DS 3 0.0\0.0\-1.0
0020,0037 Image Orientation (Patient) DS 6 1.000000\0.000000\0.000000\0.0...(54 Bytes)
0028,0002 Samples per Pixel US 1 1
0028,0004 Photometric Interpretation CS 1 MONOCHROME2
0028,0010 Rows US 1 1646
0028,0011 Columns US 1 1661
0028,0030 Pixel Spacing DS 2 1.0\1.0
0028,0100 Bits Allocated US 1 8
0028,0101 Bits Stored US 1 8
0028,0102 High Bit US 1 7
0028,0103 Pixel Representation US 1 0
7FE0,0010 Pixel Data OB 1 49 49 47 46 45 46 49 4D 4C 47 ...(2734006 Bytes)
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