[slicer-users] problems with DTI import from Philips

Vincent Magnotta vincent-magnotta at uiowa.edu
Thu Dec 9 14:08:30 EST 2010


Mario,

I know that a lot of work has recently gone into the DicomToNRRD converter.
Much of the work focused on support of Philips data. When did you download
Slicer?

Vince



On 12/9/10 12:08 PM, "Mario Quarantelli" <quarante at unina.it> wrote:

> Hello there,
> I'm relatively new to slicer, and I'm trying to import a DWI volume
> (32 directions, 50 planes) from a 3T Philips scanner into slicer v 3.7
> on a Windows XP PC.
> 
> For each dicom file I get in the log the following warning:
> 
> WARNING: In ..\..\..\Insight\Code\IO\itkGDCMImageIO.cxx, line 348
> GDCMImageIO (17BEB008): The DICOM file:
> W:/cnr/CCA/DICOM/XXXXXX_XXXXXXX/DTI_corretto/IM_0446 does not have a
> preamble.
> 
> The corresponding nrrd, .txt .bval and .bvec files are generated, but
> when I load the volume in slicer I get the bogus result displayed in
> the  attached image
> 
> The same files are correctly handled by FSL when converted in niftii
> using dcm2nii (but slicer crushes when trying to load these files).
> 
> I currently import correctly on the same PC DTI data from a Siemens
> Trio scanner, which are successfully analysed using slicer
> tractography tools.
> 
> Any clue on where the problem might be?
> 
> Thanks for any help you may give
> 
> sincerely
> mario
> 
> Mario Quarantelli, MD
> Researcher, Biostructure and Bioimaging Institute
> National Research Council
> Edificio 10, Via Pansini 5
> 80131 Napoli - ITALY
> FAX  +39 081 2296117
> MP   +39 333 4652204
> http://pveout.ibb.cnr.it/MQ/mqhp.htm
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-- 
Associate Professor
Department of Radiology
0453-D JCP
200 Hawkins Drive
Iowa City, IA 52242
E-mail: vincent-magnotta at uiowa.edu
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