Mayo Clinic in Arizona is pleased to announce our fourth symposium on tackling challenging sinus disease. World leaders in the fields of Otolaryngology-Rhinology, Allergy-Immunology and Basic Sciences will address the most challenging aspects of managing sinusitis and other rhinologic disorders. The format includes expert debates and brainstorming sessions in highly interactive formats. Our goal is to synthesize innovative management strategies based upon the latest evidence as well as the experience of global experts. Multiple breakout sessions are planned to fit the needs of medical and surgical practitioners managing sinonasal disease. The course welcomes Otolaryngologists, Allergists and Basic Scientists with strong interest in sinusitis and sinonasal disease. Join us in Phoenix, Arizona, the most beautiful place to be in spring 2015! We will bring to you the latest in the understanding of problematic sinonasal disease and share practical tips in optimizing outcomes from medical and surgical interventions. Course Highlights: 1). Faculty of global experts in Otolaryngology-Rhinology, Allergy-Immunology, Biochemistry, Neuroradiology, Neurology and Pathology, 2). Fiery (and evidence-based) debates between the experts!, 3). Highly interactive sessions inviting audience participation, and 4). “Speed Date the Experts!” Small group interaction with experts. Multiple workshop options: 1). Hands on cadaver dissection, 2). Hands-on nasal endoscopy training for Allergists, PCPs, Allied Health Professionals, 3). Live prosection, 4). Septal perforation repair, and 5). Frontal recess anatomy.