No pixel size information on PET/CT magicview cd

[Alistair]

Greetings,

We've received a CD of a PET/CT scan in which all of the dicom slices
seem to be secondary images with no information about the pixel
spacing, slice thickness, slice ordering etc. They seem to be just an
RGB image with the patient/institution information tacked on the top.

We need to have the 3-D information so we can fuse the images with
some current scans, and just can't find it anywhere in the DICOM
headers, nor apparently in the DICOMDIR file in the root of the CD
(which seems to be all the headers catted together.

HOWEVER, when you view the series using the magicview CD, there is
always a scoutview that seems to have an overlay of where the slices
are. Pretty sure this overlay is not part of the RGB values, so it
seems to be digging up the slice information/location from somewhere,
but where?

Hoping that someone has seen/solved this before, as calling up and
talking about the finer points if DICOM with their techs is leading us
nowhere.

Cheers,
Alistair

[Yves Martel at]

Bonjour Alistair,

An SC image will normally have the pixel dimensions, but no 3D
information (slice position and spacing).

You can drop you image on my "Dicom Compare" tool (from
www.TomoVison.com) to see what tags are present in your image and what
are the possible tags for a SC image.

Yves
TomoVison.com