A 32-year-old man presents with severe low back pain radiating to both legs, urinary retention, and numbness in the perineal area for 12 hours. On examination he has reduced anal tone. What is the most appropriate immediate management?AStart NSAIDs and refer to physiotherapyBArrange urgent outpatient MRI within 2 weeksCUrgent MRI spine and emergency neurosurgical or orthopaedic referralDPrescribe bed rest and review in 48 hoursEStart high-dose oral Prednisolone and review in 1 weekCheck my answer