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From a theoretical and practical point of view, this work is a landmark. It won the Casselberry Prize of the American Laryngological Association in 1931. Few have done as much as the author to clarify the physiologic mechanism of the mucosa of the nose and accessory nasal sinuses. The more rational therapy of today depends in large part on Proetz's work. He investigated the physiologic anatomy of the lining membrane of the sinuses, their ostia, the ciliary behavior and the effects of ventilation and drainage on the air chambers. This work is a summation of his researches and since its first publication in 1931 has had a definite influence for good on the diagnosis and treatment of suppurative disease in the nasal accessory sinuses. The diagnostic role of radiopaque oils and the treatment of sinus disease by the author's method of displacement are not among the least of his contributions
The Displacement Method of Sinus Diagnosis and Treatment. JAMA. 1940;115(6):483. doi:10.1001/jama.1940.02810320063036