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November 30, 1918


Author Affiliations

Providence, R. I.

JAMA. 1918;71(22):1848. doi:10.1001/jama.1918.02600480064023

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To the Editor:  —In The Journal, Nov. 9, 1918, p. 1555, Dr. Max Unger of New York, in a preliminary note, describes an alleged new method for the study of the nasal accessory sinuses with the roentgen rays.As a matter of fact, this method was described very accurately by Dr. George E. Pfahler of Philadelphia, in an article published in the Laryngoscope, July, 1916. Every detail mentioned by Dr. Unger appears in Dr. Pfahler's original paper, with considerable enlargement. The only variation in the method consists in the exact size of the film that is used. Dr. Pfahler even described the possibility of cocainization of the pharynx in some hypersensitive patients. He also mentioned the advantages of the method in studying the relations of the floor of the antrum to the neighboring teeth.Since the publication of this method by Dr. Pfahler, it has been used very generally by

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