Case contributed by Olumuyiwa Ifedayo Ajayi
Diagnosis certain


Worsening low back mechanical pain. No history of trauma or spinal surgery.

Patient Data

Age: 55 years
Gender: Male

Multiple gas locules within the lumbar spinal canal. No paraspinal abscess. There are multilevel vertebral marginal osteophytic outgrowths and intradiscal air.

Case Discussion

Pneumorrhachis is a condition defined by the presence of intraspinal air. Etiologies include epidural infection with gas-producing organisms, spinal surgery or air introduction via lumbar puncture. Relatively rare, the presence of epidural gas in the degenerative spine has been reported in a few cases of literature, secondary to vacuum phenomenon.

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