Proceedings of the 154th Meeting of the Society of British Neurological Surgeons: Dublin, Ireland, October 2009 This meeting is being held at Croke Park Stadium, Dublin, on 28-30 October 2009 and is hosted by the Department of Neurosurgery, Beaumont Hospital, Dublin. These abstracts are published in advance of the meeting in the order of presentation. If any papers are subsequently not read to the Society or are withdrawn an addendum to this effect will be published in the next issue of the Journal.