A 55-year-old man presents with low back pain, urinary retention, saddle anaesthesia and reduced anal sphincter tone on examination. He also has bilateral leg weakness. What is the most appropriate immediate management?AReassure and commence physiotherapyBArrange urgent MRI of the lumbosacral spine and neurosurgical consultationCStart NSAIDs and review in 2 weeksDOrder plain lumbar spine X-rays onlyERefer to pain clinic for chronic pain managementCheck my answer