Lumbar provocative discography, also called discography or a discogram, is an invasive diagnostic procedure used to evaluate intervertebral disc pathology in the lower spine. It is usually reserved for people with persistent, severe low back pain who show abnormal spacing between vertebrae on magnetic resonance imaging, where other diagnostic tests have failed to confirm a suspected disc as the source of the pain and surgical intervention is being considered.
Facts
FAQs
Why are the discs pressurized in random order during lumbar provocative discography?
The order is random and unannounced so the pain response can be assessed without the patient knowing which disc is pressurized.
The source says the pressurizing is repeated in random order for the various discs, without the patient knowing which disc is being pressurized. Pain responses are recorded, and this approach can be used to detect patients who may be exaggerating their symptoms, or to assess their pain response and so their suitability for recovery from possible surgery.
Sources
1. Wikipedia
Wikipedia contributors, Wikimedia Foundation
2. Lumbar provocative discography (Wikipedia)
https://en.wikipedia.org/wiki/Lumbar_provocative_discography, lead section
Lumbar provocative discography (also referred to as "discography" or discogram) is an invasive diagnostic procedure for evaluation for intervertebral disc pathology.
History (origin-year)
Lindgren from Scandinavia first performed a puncture of normal intervertebral disc for diagnostic purposes in 1941.
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