Technique: The procedure was explained to the patient and informed consent obtained. Prone position. Aseptic technique. Administration of local anaesthetic (Lignocaine 1%) to the skin. Under fluoroscopy guidance, a 22 gauge spinal needle was directed to the L4/L5 space. Clear CSF was obtained and 5 samples were sent for routine pathology. Opening pressure was 24cm H20. Procedure was well tolerated by the patient and there were no immediate complications.
Conclusion: Mildly elevated opening CSF pressure and an uncomplicated L4/5 lumbar puncture.