​David A. Gudis, M.D.Chief, Division of Rhinology & Anterior Skull Base SurgeryDepartment of Otolaryngology – Head & Neck SurgeryColumbia University Irving Medical Center. New York, NYRodney J. Schlosser, M.D.Chief, Division of Rhinology & Anterior Skull Base SurgeryDepartment of Otolaryngology – Head & Neck SurgeryMedical University of South Carolina. Charleston, SC Dr. David A. Gudis, M.D., is the Chief of the Division of Rhinology and Anterior Skull Base Surgery in the Department of Otolaryngology – Head and Neck Surgery at Columbia University Irving Medical Center/NewYork-Presbyterian Hospital. In addition to being a board-certified otolaryngologist, Dr. Gudis is dual-fellowship trained both in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery and in Pediatric Otolaryngology. Dr. Gudis pursued his medical education at the University of Pennsylvania Perelman School of Medicine, where he was the recipient of the Russel J. Stumacher M.D. Award. He then completed his residency in Otorhinolaryngology – Head and Neck Surgery at the University of Pennsylvania and the Children's Hospital of Philadelphia (CHOP). He completed a fellowship in Pediatric Otolaryngology and Craniofacial Surgery, followed by a fellowship in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery, at the Medical University of South Carolina in Charleston, South Carolina.  Dr. Gudis' clinical interests include the medical and surgical treatment of chronic sinusitis, revision sinus surgery, sinonasal polyposis, sinonasal tumors, skull base tumors, cerebrospinal fluid (CSF) leaks, endoscopic skull base surgery, and endoscopic orbital surgery. His research interests include rhinologic conditions in patients with pulmonary disease, such as cystic fibrosis and asthma, and novel surgical techniques for minimally invasive endoscopic skull base surgery for brain and orbital tumors. Heis the author of over 50 peer-reviewed publications and textbook chapters, and he is regularly invited to present his work at national and international conferences.  Rodney J. Schlosser, M.D., is the Chief of the Division of Rhinology and Anterior Skull Base Surgery and Director of the Nose and Sinus Center at the Medical University of South Carolina.  After graduating from the U.S. Military Academy at West Point and serving four years of active military duty in the U.S. Army, Dr. Schlosser received his medical degree from the Mayo Clinic. He then completed his Otolaryngology residency at the University of Virginia followed by an additional year of study during a fellowship devoted exclusively to the treatment of advanced sinus disease at the University of Pennsylvania with David W. Kennedy, M.D., one of the premier sinus surgeons in the world. Dr. Schlosser has written a textbook on the management of sinus problems and more than 200 articles and chapters dealing with sinus and nasal topics. He regularly travels around the world to speak and teach courses on the latest techniques in endoscopic sinus surgery and computerized image-guided surgery. Dr. Schlosser focuses primarily on difficult adult and pediatric sinus cases, nasal obstruction, revision surgeries, sinonasal tumors, encephaloceles/cerebrospinal fluid leaks, severe nasal polyposis, smell and taste disorders, and congenital nasal disorders.

• 1. Microbiome of the Unified Airway.- 2. Allergic Rhinitis and Chronic Rhinosinusitis.- 3. Adenoid Disease and Pediatric Chronic Rhinosinusitis.- 4. Asthma and Chronic Rinosinusitis: Origins and Pathogenesis.- 5. Asthma and Chronic Rhinosinusitis: Diagnosis and Medical Management.- 6. Aspirin-Exacerbated Respiratory Disease.- 7. Aspirin Exacerbated Respiratory Disease.-8. Cystic Fibrosis and Chronic Rhinosinusitis: Diagnosis and Medical Management.- 9. Cystic Fibrosis and Chronic Rhinosinusitis: Surgical Management and Outcomes.- 10. Cystic Fibrosis and Chronic Rhinosinusitis: Interventions on the Horizon.- 11. Bronchiectasis and Chronic Rhinosinusitis.- 12. Primary Ciliary Dyskinesia.

​David A. Gudis, M.D.Chief, Division of Rhinology & Anterior Skull Base SurgeryDepartment of Otolaryngology – Head & Neck SurgeryColumbia University Irving Medical Center. New York, NYRodney J. Schlosser, M.D.Chief, Division of Rhinology & Anterior Skull Base SurgeryDepartment of Otolaryngology – Head & Neck SurgeryMedical University of South Carolina. Charleston, SC Dr. David A. Gudis, M.D., is the Chief of the Division of Rhinology and Anterior Skull Base Surgery in the Department of Otolaryngology – Head and Neck Surgery at Columbia University Irving Medical Center/NewYork-Presbyterian Hospital. In addition to being a board-certified otolaryngologist, Dr. Gudis is dual-fellowship trained both in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery and in Pediatric Otolaryngology. Dr. Gudis pursued his medical education at the University of Pennsylvania Perelman School of Medicine, where he was the recipient of the Russel J. Stumacher M.D. Award. He then completed his residency in Otorhinolaryngology – Head and Neck Surgery at the University of Pennsylvania and the Children's Hospital of Philadelphia (CHOP). He completed a fellowship in Pediatric Otolaryngology and Craniofacial Surgery, followed by a fellowship in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery, at the Medical University of South Carolina in Charleston, South Carolina.  Dr. Gudis' clinical interests include the medical and surgical treatment of chronic sinusitis, revision sinus surgery, sinonasal polyposis, sinonasal tumors, skull base tumors, cerebrospinal fluid (CSF) leaks, endoscopic skull base surgery, and endoscopic orbital surgery. His research interests include rhinologic conditions in patients with pulmonary disease, such as cystic fibrosis and asthma, and novel surgical techniques for minimally invasive endoscopic skull base surgery for brain and orbital tumors. Heis the author of over 50 peer-reviewed publications and textbook chapters, and he is regularly invited to present his work at national and international conferences.  Rodney J. Schlosser, M.D., is the Chief of the Division of Rhinology and Anterior Skull Base Surgery and Director of the Nose and Sinus Center at the Medical University of South Carolina.  After graduating from the U.S. Military Academy at West Point and serving four years of active military duty in the U.S. Army, Dr. Schlosser received his medical degree from the Mayo Clinic. He then completed his Otolaryngology residency at the University of Virginia followed by an additional year of study during a fellowship devoted exclusively to the treatment of advanced sinus disease at the University of Pennsylvania with David W. Kennedy, M.D., one of the premier sinus surgeons in the world. Dr. Schlosser has written a textbook on the management of sinus problems and more than 200 articles and chapters dealing with sinus and nasal topics. He regularly travels around the world to speak and teach courses on the latest techniques in endoscopic sinus surgery and computerized image-guided surgery. Dr. Schlosser focuses primarily on difficult adult and pediatric sinus cases, nasal obstruction, revision surgeries, sinonasal tumors, encephaloceles/cerebrospinal fluid leaks, severe nasal polyposis, smell and taste disorders, and congenital nasal disorders.

• 1. Microbiome of the Unified Airway.- 2. Allergic Rhinitis and Chronic Rhinosinusitis.- 3. Adenoid Disease and Pediatric Chronic Rhinosinusitis.- 4. Asthma and Chronic Rinosinusitis: Origins and Pathogenesis.- 5. Asthma and Chronic Rhinosinusitis: Diagnosis and Medical Management.- 6. Aspirin-Exacerbated Respiratory Disease.- 7. Aspirin Exacerbated Respiratory Disease.-8. Cystic Fibrosis and Chronic Rhinosinusitis: Diagnosis and Medical Management.- 9. Cystic Fibrosis and Chronic Rhinosinusitis: Surgical Management and Outcomes.- 10. Cystic Fibrosis and Chronic Rhinosinusitis: Interventions on the Horizon.- 11. Bronchiectasis and Chronic Rhinosinusitis.- 12. Primary Ciliary Dyskinesia.

​David A. Gudis, M.D.Chief, Division of Rhinology & Anterior Skull Base SurgeryDepartment of Otolaryngology – Head & Neck SurgeryColumbia University Irving Medical Center. New York, NYRodney J. Schlosser, M.D.Chief, Division of Rhinology & Anterior Skull Base SurgeryDepartment of Otolaryngology – Head & Neck SurgeryMedical University of South Carolina. Charleston, SC Dr. David A. Gudis, M.D., is the Chief of the Division of Rhinology and Anterior Skull Base Surgery in the Department of Otolaryngology – Head and Neck Surgery at Columbia University Irving Medical Center/NewYork-Presbyterian Hospital. In addition to being a board-certified otolaryngologist, Dr. Gudis is dual-fellowship trained both in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery and in Pediatric Otolaryngology. Dr. Gudis pursued his medical education at the University of Pennsylvania Perelman School of Medicine, where he was the recipient of the Russel J. Stumacher M.D. Award. He then completed his residency in Otorhinolaryngology – Head and Neck Surgery at the University of Pennsylvania and the Children's Hospital of Philadelphia (CHOP). He completed a fellowship in Pediatric Otolaryngology and Craniofacial Surgery, followed by a fellowship in Rhinology: Advanced Endoscopic Sinus and Skull Base Surgery, at the Medical University of South Carolina in Charleston, South Carolina.  Dr. Gudis' clinical interests include the medical and surgical treatment of chronic sinusitis, revision sinus surgery, sinonasal polyposis, sinonasal tumors, skull base tumors, cerebrospinal fluid (CSF) leaks, endoscopic skull base surgery, and endoscopic orbital surgery. His research interests include rhinologic conditions in patients with pulmonary disease, such as cystic fibrosis and asthma, and novel surgical techniques for minimally invasive endoscopic skull base surgery for brain and orbital tumors. Heis the author of over 50 peer-reviewed publications and textbook chapters, and he is regularly invited to present his work at national and international conferences.  Rodney J. Schlosser, M.D., is the Chief of the Division of Rhinology and Anterior Skull Base Surgery and Director of the Nose and Sinus Center at the Medical University of South Carolina.  After graduating from the U.S. Military Academy at West Point and serving four years of active military duty in the U.S. Army, Dr. Schlosser received his medical degree from the Mayo Clinic. He then completed his Otolaryngology residency at the University of Virginia followed by an additional year of study during a fellowship devoted exclusively to the treatment of advanced sinus disease at the University of Pennsylvania with David W. Kennedy, M.D., one of the premier sinus surgeons in the world. Dr. Schlosser has written a textbook on the management of sinus problems and more than 200 articles and chapters dealing with sinus and nasal topics. He regularly travels around the world to speak and teach courses on the latest techniques in endoscopic sinus surgery and computerized image-guided surgery. Dr. Schlosser focuses primarily on difficult adult and pediatric sinus cases, nasal obstruction, revision surgeries, sinonasal tumors, encephaloceles/cerebrospinal fluid leaks, severe nasal polyposis, smell and taste disorders, and congenital nasal disorders.

• 1. Microbiome of the Unified Airway.- 2. Allergic Rhinitis and Chronic Rhinosinusitis.- 3. Adenoid Disease and Pediatric Chronic Rhinosinusitis.- 4. Asthma and Chronic Rinosinusitis: Origins and Pathogenesis.- 5. Asthma and Chronic Rhinosinusitis: Diagnosis and Medical Management.- 6. Aspirin-Exacerbated Respiratory Disease.- 7. Aspirin Exacerbated Respiratory Disease.-8. Cystic Fibrosis and Chronic Rhinosinusitis: Diagnosis and Medical Management.- 9. Cystic Fibrosis and Chronic Rhinosinusitis: Surgical Management and Outcomes.- 10. Cystic Fibrosis and Chronic Rhinosinusitis: Interventions on the Horizon.- 11. Bronchiectasis and Chronic Rhinosinusitis.- 12. Primary Ciliary Dyskinesia.