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Table 1 Features of intraspinal gas pseudocyst in previous reports

From: Dura sac compression due to spinal epidural gas pseudocyst after lumbar decompression surgery: a case report

Reference

Age(yr)/sex

Primary operation

Reoccurred symptoms

Imaging findings (CT or MRI)

Treatment

Raynor and Saint-Louis [24], 1999

35/M

L4/5 disc excision

a foot drop and pain in the same leg 15 days later

a gas bubble located at the right L5 lateral recess

Conservative treatment

Kaymaz et al. [25]., 2005

NR

L4/5 discectomy and foraminotomy

weakness in dorsal flexion on the contra lateral leg

air trapping within the L3/4 epidural space

Conservative treatment

Capelle and Krauss [26], 2006

50/F

Removal of L5/S1 free herniated disc without discectomy

recurrent pain in same leg 4 days later

epidural gas formation at the operative site

Failure of conservative treatment for 7 days, re-operation

Ilica et al. [27], 2006

44/M

L4/5 disc excision

lower back pain and SLR 45° + 5 months later

accumulation of gas in the lumbar epidural space

Failure of conservative therapy for 1 months, re-operated after no response

Sasani et al. [28], 2007

62/F

Microdiscectomy without foraminotomy or hemilaminectomy

recurrent pain 20 days later

air bubble in the right anterolateral portion of the L2/3 epidural space

Conservative treatment

 

72/F

Microdiscectomy and stabilization

recurred pain in left leg 2 weeks later

gas collection on the L4/5 left mediolateral

Failure of conservative therapy for 3 days and needle aspiration for 2 days; surgery successful

 

69/M

L5/S1 microdiscectomy and foraminotomy

radiculopathy in his right leg 7 days later

gas bubble in the L5/S1 epidural space and disc space

Conservative treatment

Chul-Woo, et al. [29], 2014

68/F

L2/3 and L5/S1’laminectomy and discectomy

lower back pain and radiating pain to her left leg similar to preoperative symptoms 2 weeks later

air accumulation compressing L3/4 and L5/S1 dural sac and nerve root

Failure of conservative treatment for 2 weeks and needle aspiration for 2 days; surgery successful