The 2nd Posterior Fossa Society Meeting Satellite to ISPNO, Liverpool on June 12th, 2016 Programme 9.00-9.10h Welcome Coriene Catsman-Berrevoets, Paediatric Neurologist, ErasmusMC/Sophia Children’s Hospital, Rotterdam, the Netherlands Diagnosis, Risk, Surgery, Prevention 9.05h- 9.45h What is CMS and can we calculate the risk in individual children: Results of the Delphi Consensus meeting Thora Gudrunardottir MD, Researcher, Hillerød Hospital, Copenhagen, Denmark 9.45h- 10.05h: A new clinical scoring scale for postoperative paediatric CMS Professor Stephanie Puget, Department of Pediatric Neurosurgery, Necker Enfants Malades Hospital, Paris, France 10.05- 10.35 Pre-operative risk stratification of CMS in children with a posterior fossa tumour Prof David Walker, Paediotric Oncologist, Children's Brain Tumour Research Centre, Faculty of Medicine and Health Sciences, University of Nottingham 10.35h- 11.00: Are disturbances of fluid and electrolyte balance risk factors for Cerebellar Mutism Syndrome? Coriene Catsman-Berrevoets, Associate Professor, ErasmusMC/Sophia Children’s Hospital, Rotterdam, the Netherlands 11.00-11.30h: Coffee break 11.30h- 12.30h Round table: The neurosurgical point of view; insights on avoidance Cerebellar Mutism Syndrome in children with cerebellar tumour. Professor Jeffrey H. Wisoff, neurosurgeon, NYU Langone Medical Center and Professor Robert F. Keating, neurosurgeon, Children’s National Medical Center, George Washington University School of Medicine, Washington, DC Professor Stephanie Puget, neurosurgeon, Department of Pediatric Neurosurgery, Necker Enfants Malades Hospital, Paris, France 12.30h-13.30h Lunch break Treatment of CMS 13.30- 14.00h Speech motor disorder associated with PFS Assoc. Prof. Angela T. Morgan, Director Neuroscience of Speech Group, Murdoch Childrens Research Institute and Director of Research and Teaching in Speech Pathology, University of Melbourne, Australia 14.00h- 14.30h: Is there any room for pharmacological treatment in pediatric postoperative PMS? Dr Alvaro Lassaletta, Paediatric Neurooncologist, Dept of Neuro-oncology. The Hospital for Sick Children, Toronto, Canada 14.30- 15.00: Long term outcome of PFS patients Elizabeth M. Wells, MD, MHS, Medical Director, Inpatient Neurology Neuroscience Medical Unit Director, Brain Tumor Institute, Children's National Health System 15.00h-15.30h: Functional imaging and outcome in children after cerebellar tumour treatment. Dr Nikky Pitchford, Phd; School of Psychology, University of Nottingham; University Nottingham UK. 15.30-15.45 Tea break 15.45-17.00h: Free papers 17.00-18.00h: Annual general Meeting of the Posterior Fossa Society