A 34 year old builder had acute back pain which subsided on the same day. Two days later he complains of numbness and tingling in both legs. He also develops urine and stool incontinence. Which of the following should be the first step in his management?
A. Physiotherapy
B. Pelvic traction
C. Lumbar puncture
D. Magnetic resonance imaging(MRI)
E. Epidural local anaesthesia
Ans:D. Magnetic resonance imaging(MRI)