At the time the article was created Yuranga Weerakkody had no recorded disclosures.
View Yuranga Weerakkody's current disclosuresAt the time the article was last revised Daniel J Bell had no financial relationships to ineligible companies to disclose.
View Daniel J Bell's current disclosuresFacet joint vacuum phenomenon or degenerative intrafacetal gas is a feature that can be seen on spinal imaging in facet joint arthropathy as part of degenerative spondylosis. This is a joint-specific example of the vacuum phenomenon.
MRI signal characteristics are those of gas:
T1: low signal
T2: low signal
In traumatic cases, consider
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