NA;One hundred patients with posterior compartment lumbar spinal axis pain syndromes and focal tenderness were injected with lidocaine and betamethasone in 194 sites. Lidocaine injection was diagnostic in 183 instances lpar;94percnt;rpar; and steroid injection provided longhyphen;term relief lpar;greater than 3 monthsrpar; in 105 instances lpar;54percnt;rpar;. CT guidance proved helpful in directing the needle tip to the precise location for optimal delivery of medications to exact anatomical sites.
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