Life, Running, & Medicine.
Notes on life as I see it.

Showing posts with label Med. Show all posts
Showing posts with label Med. Show all posts

Thursday, October 25, 2007

ImageJ: Freeware DICOM viewer for PC

For the medicine nerd in all of you, I thought I would pass this along...

I recently spent a lot of time looking on the internet for a freeware DICOM (medical image filetype based on BMP or TIFF) viewer for looking at computerized CT scans at home "offline" - mostly for a research project I am doing. ANYWAY, there is a ton of trialware outthere. Some of it is good, most of it is not. Most are very large software packages and very difficult to use/install/uninstall.
ImageJ is Java-based DICOM viewer that has all the features most of us non-superuser-non-radiologists could need in a lean & mean package. It is open source and there is a large collection of plugins that integrate easily (some quite elaborate). ImageJ's web-home is hosted by the NIH, but not really government sponsored or supported. There are some forums and ImageJ superusers out there that you can contact.

Most notably, ImageJ supports a variety of formats, but not compressed DICOMs. This is kind of a pain because DICOM compression is sometimes very proprietary to the originating machine, so uncompressing it on third party software is hard. So far I have been dealing with uncompressed BMP files, which load easily using the File-->Import-->Image Sequence... command. By having my BMPs of the same series in a single folder, ImageJ knows to load them all into a stack.

Once loaded there are all the standard adjustments and stack scrolling that can be done. There are several good filters and 3D tools built into the base software as well. There is also easy image Copy and Export features. A huge list of plugin addons is kept on the ImageJ website.

Plugin: Volume Viewer. So far this seems to be the best way to look at coronal and sagittal reformats with ImageJ. The plugin is found: rsb.info.nih.gov/ij/plugins/volume-viewer.html . It is simple to use, allows arbitrary planes, and allow for easy export of "saved" images.

All in all, this is definitely the best, simplest, and arguably the most powerful freeware DICOM viewer out there, especially for the casual user.

Saturday, October 20, 2007

Shoot 'em up

Uggh... Grady call last night. Covering "face" for another resident out of town.

Friday night trauma at grady is just short of battle really (well, maybe a MASH unit in battle). This was no exception:

1. One guy shot in the nose, bullet travels through the orbit and exits on the side of the cheek. He of course is awake, pissed, and "don't know the guys" that shot him. His eye is the size of a softball (frank globe rupture, orbital hematoma, hyphema, optic nerve with direct missile injury on CT). Went to OR to have his eye out by the time sun came up.

2. Dude #2 walks in through the doors with more holes in his face. This teenage minor apparently "heard two or three shots" then found his face bleeding and sore. Looks like only hit once - bullet breaks his jaw and his zygomaticomaxillary complex, then bounces out of his head (rather than deeper into it). Lucky I guess. He was awake, and pissed, and "didn't know the guys" that did it. Of course.

3. Dude #3 a transfer from OSH. Got assaulted some 24 h prior, now can't see or can't move his eye. Got a full workup at the outside hospital including a cat scan. Was transferred after 20 hours when they realized they couldn't handle his injuries (i.e. he had no insurance). Best part is they send no labs and send no cat scan. So everything gets repeated. Remind me why Grady can't stay afloat...

Countless others with bloody rags holding their bleeding heads waiting on stitches, cat scans, pain meds...

[time for bed]