Saudi Otolaryngology Society will participate in the 5th World Congress for Endoscopic Surgery of Brain, Skull Base & Spine and the First Global Update on Fess, The Sinuses & The Nose, scheduled to start its four-day deliberations in Vienna, Austria, on March 29. The Association will be represented by its Makkah representative Dr. Osama Marghalani, Assistant Professor of Diseases of Ear, Nose and Throat (ENT) at the University of Umm Al-Qura, who will address the Congress in the presence of 3,000 physicians and surgeons from around the world. The 5th World Congress for Endoscopic Surgery of the Brain, Skull Base & Spine in Vienna will deal with the fascinating and sometimes breathtaking latest developments of endoscopic possibilities along and through skull base, inside the brain and spine. New achievements have been made in all sectors, Trans Orbital Neuro Endoscopic Surgery (TONES) being just one of them. Image guided Navigation has come of age, providing unseen-before-accuracy; 3-D endoscopy, magnificent HD endoscopic cameras and sophisticated instrumentation will be on display and used during numerous live on-stage demonstration dissections, performed by the masters and pioneers of the speciality.