The Proetz method of visualization of the accessory sinuses was first brought forward by Proetz in 1926.1 Since then, he has fully discussed the advantages of this method and has given the procedure in detail in a number of articles2 and in a recent book.3
Several papers on this method have been written by others. Amano4 expressed the belief that it gives additional information about drainage of the posterior ethmoid and of the sphenoid sinuses, but is of little use in studying the rest of the sinuses. The size of the turbinate bones and the presence of polyps were important factors in causing the failure of cells to fill.
Goodyear5 stated that the technical difficulties are so great that they discourage workers. Lobell6 considered the Proetz method suited only to visualization of the posterior ethmoid sinuses. Frazee7 found that, "In no instance has