http://www.radiantviewer.com/downloadfile.php?f=beta

MPR function is hidden under CTRL + ALT + 1 (coronal) or + 2 (sagittal) or + 3 (axial).

Known issue is wrong display of cross reference lines when the source plane is oblique.

We'll appreciate your comments :-)

I'm speechless!!!
MPR work so fast!!!

I just suggest to have direct "make coronal" and "make sagittal" GUI buttons, rather than shortcuts.

It would be easier and more intuitive.

Well done, it's brilliant. Mpr is seamless very happy, would need to get icons up now

Of course the final version will include MPR buttons. I just didn't want you guys to wait any longer :-) We can brush up a few things and you can at the same time test the MPR engine.

Anyway, I'm happy that you liked what you saw. Thanks for your help!

I've noticed that if source images are oblique axials RadiAnt fails to generate MPRs... you hit the hotkey and nothing happens

We do a lot of TOF MR angiography of the head and sometimes the acquisition plain in quite oblique.

If the acquistion plain is more horizontal, MPRs work fine.

If you want I can send you sample DICOM files, with a working and a non-working source TOF sequence

probably if the axial oblique angle is 45° or higher the MPR has troubles understanding if the source image is an axial oblique or a coronal oblique.

We're aware of this problem. Please send me the DICOM sets you've mentioned. Thanks.

check your mail
I've just sent you a download link with some sample sequences

After few days of testing the new MPR feature I'm getting even more convinced that the software has troubles dealing with oblique non-orthogonal source images.

Apart from the axial-oblique TOF brain images I've sent you before, now I'm sending an entire MRI study of the shoulder (check your mail for the download link) in which MPR feature fails with almost every series...

this makes sense since MRI of the shoulder is composed by oblique-coronal, oblique-sagittal and oblique-axial...

if you double check only the first serie which is a triplane orthogonal localizer can generate MPR.
The other series won't...

Thanks for taking the time to send the problematic sets. Hopefully we will quickly find a solution.

It's a pleasure to help in beta test.

I don't know how exactly your MPR thing works, however I suspect that must be some critic angle of obliquity that confuses the software.

probably some degrees of obliquity are tolerated but beyond some level the software doesn't understand if that source oblique image is an axial-oblique or a coronal-oblique

I've uploaded a new beta (0.70.2) addressing the issues pointed by Tommy:
http://www.radiantviewer.com/downloadfile.php?f=beta

the new beta is amazing!!!
MPR works with any kind of source images!!!
thumbs up!!!

Thanks. That's how it was supposed to be :-)

apart from MPR which are really a major improvement, will 0.70 have other additional features and/or bugfixes?

do you have a planned final version release date?

We've been working concurrently on another major feature which probably will be announced in early January. There will be no final release until that feature goes public.

Greetings,
Maciej

wow!!! If that feature is still secret, it must be something really great!!!

Well, I think it will be less frequently used than MPR...
It's not a big secret - soon we will upload some preview video. Stay tuned! :-)

Ok, I'll check this website 24/7 !!! :-)

Here you go ;-)
http://www.youtube.com/watch?v=PAJvP4EHHi4

I don't perform PET-CT studies, however I must say that your software is becoming something incredible...

mmmhhhh.... wait a minute... maybe this feature could be interesting for me as well since I perform a lot of body DWI studies

do you think that I could try fusing the DWI images with conventional MR sequences just like you do with PET and CT?

Let's try - could you send me a sample set with the DWI and conventional MR sequence?

ok. I've just sent it. check email.

Dear RadiAnt,

first of all many compliments for the essential GUI realized on DICOM field, it can become so dispersive..

Then, as sw developer, I'm surprised by your loading&rendering performance. If it's not a secret, could you tell me the graphic library you use..

Thanks

Ascari, thank you! As for your question - it's not a secret, we use plain windows GDI augmented by our own rendering code. The entire DICOM engine is developed from scratch.

Greetings,
Maciej

Excellent addition to RadiAnt. MPR starts in a flash, without any delay that's super cool. After we load Sagittal, Coronal and Axial, I think if we have a cursor or cross-hair sort of thing which we can adjust to our ROI(Region of Interest) in one plane so as to simultaneously see in other two planes would be superb. Please think about it.

DeoVolente, a 3d cursor for easy navigation in reconstructed series would be very helpful indeed. We will certainly implement it in the future. Thanks for a suggestion.

Well appreciated. Thanks a lot.

@RadiAnt

take a look to this paper: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3088810/?tool=pubmed

it shows application of MRI-DWI fusion.
they used OsiriX to fuse images.

i'm glad to know that RadiAnt Viewer will do the same in the near future.
any news about the release of next beta?

Next week, hopefully :-)

As for the paper - yes, you'll be able to do the same with RadiAnt, however, in conclusions they state that accuracy wasn't improved by fusion.

great!!! i'm so excited about next release.

regarding fusion i think that the main advantage is to have DWI images that are more easy to understand for referring clinicians.

I also think that fusion could improve staging miometral invasion in endometrial carcinoma. sometimes in T2 images there may be some doubt about degree of invasion