COSM is the premier educational and technology forum for providing the sub specialties in Otolaryngology – Head and Neck Surgery with an opportunity to improve and expand their knowledge and skills thereby enhancing the quality of patient care.

COSM 2026, April 22-26 in Phoenix, Arizona, will offer a range of educational opportunities, including oral presentations, panels, fireside chats, keynote lectures, product demos, and posters. In addition to awards and scholarships, COSM will offer podium, poster, and publishing opportunities.

Each COSM society prepares its own call for abstracts, sends its own acceptance announcements, and establishes its own deadlines. More information is located on each Society website. If you have questions regarding the abstract process, you will need to contact the society administrator.

Society Contact Information

COSM 2026 Abstract Submission Details

Please note: All COSM submissions should not be published or presented previously at another national or international meeting and is not under consideration for presentation at another national or international meeting. The penalty for duplicate presentation/publication is prohibition of the author from presenting at a COSM society meeting for a period of three years.