From: za kAT on

"Simple, lightweight and efficient
freeware DICOM medical image viewer

* Open and display DICOM files
o Mono-frame and multi-frame, monochrome, RGB
o Uncompressed, RLE, JPEG Lossy, JPEG Lossless, JPEG2000
* Simple and intuitive interface
* Zooming and panning
* Brightness and contrast adjustment, window presets available
* Length and density measurement
* Small footprint - installer size less than 1MB
* 64-bit version available - browse easily datasets with thousands of
images
* Excellent performance - multi-core and multi-processor support,
asynchronous reading
* Patient CD/DVD/Flash browsing with a standalone 32-bit version
* Windows XP, Vista and 7 are supported
"

Needless to say, I have never used it..

http://www.radiantviewer.com/

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zakAT(a)pooh.the.cat - www.zakATsKopterChat.com