S 6 Minimally invasive endoscopic surgery of anterior skull base tumor Presented by Hong Kong College of Otorhinolaryngologists Chairperson & Speaker: Professor Po-wing Yuen FHKAM (Otorhinolaryngology) Honorary Professor of Otorhinolaryngology, The University of Hong Kong Speaker: Dr Dora Kwong FHKAM(Radiology) Associate professor, Department of Clinical Oncology, The University of Hong Kong Speaker: Dr Gilberto Leung FHKAM(Neurosurgery) Assistant Professor, Department of Surgery, The University of Hong Kong Speaker: Dr Raymand Lee FHKAM(Radiology) Associate Consultant, Department of Radiology, Queen Mary Hospital Speaker: Dr Nigel J Trendall-Smith MBBS, FRCPath Senior Medical Officer, Department of Pathology, Queen Mary Hospital Honorary assistant professor, Department of Pathology, The University of Hong Kong