試題詳解

17. About epidural steroid injection, which one of following statements is wrong?
(A) Spinal stenosis is an indication for epidural steroid.
(B) Do not use for non-specific low back pain.
(C) Do not repeat more than three times per year.
(D) May cause pain from chronic arachnoiditis.
(E) Efficacy is less with radicular pain that has lasted longer than 3 months.