This book discusses selected topics on the surgical anatomy of paranasal sinuses and their applications, highlighting recent advances in rhinology. It is organized into five sections on anatomy of the paranasal sinuses, radiology of midfacial structures, physiology of the nasolacrimal drainage system, paranasal sinus tumors, and paranasal sinus surgery. The book includes eight chapters that address the frontal sinus, nasal septum, lacrimal obstruction diseases, tumors of the frontoethmoidal region, and more. The chapters present new clinical and research developments as well as future perspectives on paranasal anatomy and treatment approaches.