Every now and then you might find your legacy dcm4chee2 instance inundated with FileCopy orders, due to a bug in one of your HSM copy command scripts or otherwise. It happened to me a few weeks back, one instance had…
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I wrote previously about a few simple steps for stopping basic attacks in a wordpress install. Back then I was just dipping my feet into the world of wordpress, and while the steps I outlined there are a solid first…
Suppose you wish to update the sps status of an mwl item in dcm4chee, preferably in an HL7 compliant way. (Creating mwl items from scratch in dcm4chee via HL7 messages is easy and is discussed separately here.) The obvious guess…
If you have ever developed a DICOM-related application you may have at some point wondered how to obtain an org root UID. An org root UID is necessary for generating certain DICOM tags, such as studyUID, seriesUID, SOPInstanceUID, etc, in…
In a production PACS, a common setup is to back up studies either in real-time or on a periodic basis (ie: nightly) to a more secure, longer-term storage location (aka “nearline” storage). The studies will typically persist on the local…
Sending a dicom study from one PACS to another is quite simple using dcmqr from the dcm4che toolkit (I am currently using v2): dcmqr -highprior $FROM_PACS_AET@$FROM_PACS_HOST:$FROM_PACS_PORT -cmove $TO_PACS_AET \ -L $TO_PACS_AET \ -qStudyInstanceUID=”$STUDY_UID” It implements a dicom query (here we…
Suppose you need to synchronize a secondary PACS with that of a primary one running dcm4chee. Perhaps this is part of a simple fault-tolerant networking solution with the secondary PACS acting as a hot-backup, or perhaps you have some other…
This took a non-trivial amount of time to resolve, so I decided it be worth writing it up in the hopes of helping some poor soul (be it my future self or not :P). I recently deployed a flask +…
The title sounds preposterous, as if this couldn’t possibly happen to any well-meaning user just toying around with a pet-project (albeit a data intensive one :P). However a close reading of AWS’s terms, coupled with some horror stories around the…
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