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February 1929

A COMPARISON OF THE OUTLINES OF THE FRONTAL SINUS IN VIVO: AS SHOWN BY TRANSILLUMINATION AND THE ROENTGEN RAYS

Author Affiliations

PHILADELPHIA; JENKINTOWN, PA.
From the Department of Otolaryngology of the University of Pennsylvania.

Arch Otolaryngol. 1929;9(2):181-184. doi:10.1001/archotol.1929.00620030195007
Abstract

This brief communication represents an attempt to render slightly more accurate the estimation concerning the frontal sinuses at office examination.

In the study of disease of the paranasal sinuses, resort is usually had to two extranasal methods of examination : by transillumination and by roentgenograms. Only one of these procedures, the making of roentgenograms, is applicable to the posterior sinuses, but in an investigation of the anterior group, the frontal and the maxillary, both methods are available. It is generally agreed that neither method gives information of 100 per cent definitive value, on account of the many variables which must be considered before a conclusion is reached. Among these, particularly, should be mentioned variation in the size and shape of the sinuses themselves, in the thickness of their walls, in the size of the turbinais, in the straightness and thickness of the nasal septum and in the thickness of the

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