[Insight-developers] blood flow velocity

[Bill Lorensen]

I scanned it in. Here it is:

http://marchingcubes.org/images/c/c6/3DPhaseContrastMRIofCerebralBloodFlowandSurfaceAnatomy.pdf

Bill

On Thu, Feb 12, 2009 at 2:35 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> Richard,
>
> I found a reprint of the 1993 paper. If you send me your land-mail
> address, I'll get a copy to you.
>
> You should probably try to get a copy of:
>
> Dumoulin CL, Souza SP, Walker MF, Wagle W., "Three-dimensional phase
> contrast angiography." Magn Reson Med. 1989 Jan;9(1):139-49. It will
> describe the physics of the acquistion.
>
> See http://www.ncbi.nlm.nih.gov/pubmed/2709992
>
> Bill
>
>
> On Wed, Feb 11, 2009 at 11:13 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>> Richard,
>>
>> We published some work about 15 years ago that processed MR phase
>> contrast images for flow visualization.
>>
>> Cline, H., W. Lorensen, and W. Schroeder, 3D Phase Contrast MRI of
>> Cerebral Blood Flow and Surface Anatomy, Journal of Computer Assisted
>> Tomography, vol. 17, no. 2, pp. 173-177, March/April 1993.
>>
>> I can't see to find my reprints of this article. I recall scaling the
>> data, but can't remember how we scaled it. I'll try to dig around for
>> some more info.
>>
>> Bill
>>
>> On Wed, Feb 11, 2009 at 10:35 PM, Richard Beare <richard.beare at gmail.com> wrote:
>>> Does anyone know a procedure for extracting correct numerical values
>>> for blood flow velocity from MR phase constrast images? I'm looking at
>>> the dicoms from a siemens system and the raw voxel values don't
>>> obviously match the ranges reported by the siemen's software. Could be
>>> a simple scaling, or something more sophisticated. Any ideas?
>>>
>>> Thanks
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>>
>