Our non-neurological colleagues sometimes suggest, with tongue in cheek (we hope), that neurologists are not needed now that they can “order” magnetic resonance scans. First and foremost investigations are never “ordered” but “requested”, this often involving discussion with the general or neuroradiologist of the specific case in mind. The Royal College of Radiologists guidelines, Making best use of a Department of Clinical Radiology,¹ emphasises the importance of good communication. The guideline states that a referral is a request …