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| How well does your PACS hang related prior exams? |
| Automatically and unfailingly. |
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0% |
[ 0 ] |
| Mostly automatically, but I have to check. |
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100% |
[ 1 ] |
| Passably. There's a lot of clicking on studies. |
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0% |
[ 0 ] |
| Abysmally. Selection is manual. |
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0% |
[ 0 ] |
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| Total Votes : 1 |
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RadWriter
Joined: 26 Feb 2008
Posts: 3
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 Posted: Wed Feb 27, 2008 12:21 am Post subject: Poor Comparison Hanging |
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I'm writing an article about automated comparison hanging, and why it doesn't work with most PACS. Why is no one talking about this? A computer should be able to know what studies are related to the current study. The radiologist shouldn't have to hunt and click!
Please tell me your experience. |
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papa
Moderator
Joined: 02 Oct 2007
Posts: 297
Location: The State of Confusion
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| Posted: Wed Feb 27, 2008 9:56 am Post subject: |
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most likely because this is a forum for techs, and most techs don't care how it hangs.....
boy that sounds bad 
i think there's another site here for rads, but i don't know what it is.
....
auntminnie has rads!...
papa RT(R)(CT)
_________________
papa RT(R)(CT)
Delusional Radiology
never meddle in the affairs of a dragon, for you are crunchy, and taste good with ketchup |
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hjhogle
Moderator
Joined: 23 May 2006
Posts: 1047
Location: New Haven, CT
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| Posted: Wed Feb 27, 2008 5:25 pm Post subject: |
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Also, it may be that there are many PACS products that do pull comparisons and do it well.
Specific exam hanging protocols are a different story, but pulling related priors? I've used several products that do this - doesn't seem to be a big deal. |
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RadWriter
Joined: 26 Feb 2008
Posts: 3
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| Posted: Thu Feb 28, 2008 11:40 am Post subject: |
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Thanks to papa for pointing out that this is a tech, not a rad, forum.
I do know that some PACS require manual maintenance of a spreadsheet of related procedures. Computers are too stupid to know that a CXR2V is related to a 2VCXR, let alone a Chest PA, Lateral and Obliques.
I've been told by rads with several different PACS that only the most common procedures hang automatically without their PACS administrators maintaining a rigorous list. |
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Emile
Joined: 29 Feb 2008
Posts: 2
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| Posted: Fri Feb 29, 2008 4:24 pm Post subject: Re: Poor Comparison Hanging |
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| RadWriter wrote: | I'm writing an article about automated comparison hanging, and why it doesn't work with most PACS. Why is no one talking about this? A computer should be able to know what studies are related to the current study. The radiologist shouldn't have to hunt and click!
Please tell me your experience. |
In automated comparison hanging you are talking about a viewing/ reporting mode for radiologists. This differs from the hanging protocols where most PACS vendors are talking about.
Two problems:
What is missing is the inteligence to know when what has to be compared.
Most hardware vendors have different DICOM haeder info which is not comparable in uses as optional fields f.i.
And there are some other small problems. But I could write a book about that... |
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RadWriter
Joined: 26 Feb 2008
Posts: 3
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| Posted: Sat Mar 01, 2008 8:24 pm Post subject: Re: Poor Comparison Hanging |
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I know that Fuji has a very good mechanism for automated comparison hanging, but it requires maintaining a list of related procedures.
For each procedure name that an institution has used, e.g., CXR2V, a file is maintained on the Synapse server that lists all other plain film Chest studies that should compare. (The files are placed on the Fuji server by the PACS administrator.) When a current study is read, Synapse looks into the file whose name corresponds to the study name, finds what procedures match the patient's historical studies, and supplies priors according to the hanging protocol of choice. The problem is that maintaining a list of related procedures is manual, and very incomplete.
For my research I want to know what other PACS companies are doing to automate this small but important mechanism. |
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Emile
Joined: 29 Feb 2008
Posts: 2
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| Posted: Mon Mar 03, 2008 7:57 am Post subject: Re: Poor Comparison Hanging |
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| RadWriter wrote: | I know that Fuji has a very good mechanism for automated comparison hanging, but it requires maintaining a list of related procedures.
For each procedure name that an institution has used, e.g., CXR2V, a file is maintained on the Synapse server that lists all other plain film Chest studies that should compare. (The files are placed on the Fuji server by the PACS administrator.) When a current study is read, Synapse looks into the file whose name corresponds to the study name, finds what procedures match the patient's historical studies, and supplies priors according to the hanging protocol of choice. The problem is that maintaining a list of related procedures is manual, and very incomplete.
For my research I want to know what other PACS companies are doing to automate this small but important mechanism. |
As far as I know only Sectra, GE and Fuji do have at the moment mechanisms to solve this problem. Indeed the modalitys send different information concerning the performed procedures in the DICOM header files which lead to this big problem. This is what really mathers for radiologists. There has to be a parsing to solve this major problem. Pacs which can not manage this item are for bigger institutes, which use apparates from different vendors, not workable.
I must say that I am only informed in the Dutch/ European market, but formentioned vendors are worldmarket leaders.
Maintaining this list by hand will be finished as soon as IHE manages to get all noses in the wright direction concerning naming of procedures and where to put this information. |
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| How well does your PACS hang related prior exams? |
| Automatically and unfailingly. |
|
0% |
[ 0 ] |
| Mostly automatically, but I have to check. |
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100% |
[ 1 ] |
| Passably. There's a lot of clicking on studies. |
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0% |
[ 0 ] |
| Abysmally. Selection is manual. |
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0% |
[ 0 ] |
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| Total Votes : 1 |
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