Efficacy of Percutaneous Image-Guided Rupture of Lumbar Facet Cysts: A Retrospective Study
Table 2
Results of percutaneous image-guided rupture of lumbar facet cysts (N = 57).
Rupture of the lumbar facet cyst
Successful rupture
48 cases (84.2%)
Failed rupture
9 cases (15.8%)
Volume of contrast for rupture
2.3 ± 0.4 mL (1.7–4.0 mL)
VAS score
Pre-/posttreatment
80.7 ± 6.8/11.2 ± 6.9mm2
JOA score and recovery rate
Pre-/posttreatment (recovery rate)
15.6 ± 2.8/26.7 ± 1.4points (82.3 ± 11.2%)
Area of cyst
Pre-/posttreatment
62.1 ± 34.7/12.0 ± 6.5 mm2
Cyst recurrence after successful rupture
4 cases
Needed surgical treatment
0 case: after successful rupture
7 cases: after failed rupture
Only 48 cases with successful cyst rupture. Only 40 cases in which MRI was performed after a successful cyst rupture. Significant difference between pre- and posttreatment (). JOA, Japanese Orthopedic Association; VAS, visual analogue scale.
