Indications of surgery in Spinal canal stenosis are all EXCEPT

(C) For diagnosis of condition# LUMBAR SPINAL STENOSIS:> Surgical Treatment - Indications: Caudal equina syndrome Severe neurologic deficit or impairment Failure to improve leg pain and neurogenic claudication after non-surgical treatment. Persistent and severe decrease in patient quality of life.> The only absolute indication for surgical treatment is the development of significant nerve damage, sudden complete paralysis or progressive neurological deterioration (increasing weakness, loss of feeling or control of bladder or bowel function).> All other indications are relative and relate to the duration and severity of symptoms.