One of our clinics just got a 3D probe for a Philips HD11 ultrasound machine. The Philips tech who came to set it up and train was unable to get 3D images sent to our PACS. Upon first glance, I noticed the cases were staying the Philips dicom queue. The only error message I could decipher was that our Conquest server was for some reason not accepting and closing the connection.

I enabled debug logging in Conquest (a VERY handy troubleshooting feature). However, nothing was showing up when the Philips would try to send the 3D image. Nothing. Which struck me as very odd, usually some sort of message comes up indicating Conquest started communication. That led me nowhere.

Back on the Philips, I started going through configuration screens. Inside the PACS server setup screens, I found some 3D related check boxes, that were not enabled. Enabling these did not fix the problem. I then looked for the DICOM file type/compression settings.

The setting was for RGB, Uncompressed ILE. ILE stands for Implicit Little Endian. I also noticed a blurb saying all 3D are sent as RGB, Uncompressed ELE (Explicit Little Endian).

I got thinking, perhaps Conquest was having issues with ELE. To test, I changed the regular setting to ELE, and took a picture. Sure enough, it just sat in the queue and did not get to Conquest PACS. So now I knew the problem, but how to fix it? A quick search on Google provided no help. Sadly, Conquest help is extremely hard to find online (that is why you are here!).

Next I searched the Conquest documentation. I quickly found that Explicit Little Endian is an option in the DGATESOP.LST file, and it is disabled by default. I opened the file, removed the # prefixing the ELE line, saved, and restarted Conquest. Sure enough, images started arriving. Thus far, there have been no negative consequences from enabling that function.

I am by no means a PACS guru, I know what I know based on what I need to know to do the job. I am sure some of you understand the definitions and differences between ELE and ILE. Feel free to share in the comments! However, like all my posts, I hope this helps one other person in some way.

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