Identifier: americanquarterl02amer (find matches)
Title: American quarterly of roentgenology
Year: 1909 (1900s)
Authors: American Roentgen Ray Society
Subjects: Nuclear Medicine Radiography Radiology Radiology
Publisher: Pittsburgh : American Roentgen Ray Society
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and the National Endowment for the Humanities

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these is that it occurs to methat this is a field in which the .stereoscope would prove par-ticularly valuable, and I wish Dr. Lange would tell us of anyattempts he may have made in making stereoscopic views ofthis region. The other point: In locating these planes, the Doctor gaveas one landmark, the external auditory meati. Of course, theplane must be located by at least three points, and I should needmore careful directions then he has given us to get that plane.My experience in making radiographs of any part of the skullhas taught me that it is exceedingly difficult to get landmarkswhich are really useful. DR. CHARLES F. BOWEN, COLUMBUS, OHIO. This work is as new to me as it is to Dr. Caldwell, but Iam sufficiently impressed with the importance of this work.I have had some personal experience which has confirmedthat impression. It was in a case of mastoid disease following 0 n 0 3 tj « r» ft cr. f5 ft i^ 0 a> CO cc 1 o r+ S S i-i o 0 CO cr 2. rt 2. cro 0 13rt 3orqrt H rt 3O O
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Lange: Mastoid Examination 11 middle ear trouble of some standing. The surgeon who op-erated started to perform the usual operation, and after work-ing a few minutes with hammer and chisel, his chisel slid intothe lateral sinus, which was in an anomalous position. Hadhe made a radiograph beforehand, the position of this sinuswould have become apparent to him and he would have avoid-ed the accident and would have made unnecessary a secondoperation. That, it seems to me, demonstrates the value of the radio-graph in this class of work. I wish to thank Dr. Lange forpresenting this excellent paper to the Society. DR. WILLIS F. MANGES, PHILADELPHIA. I have been considerably interested in mastoid radiography.Dr. Langes work is highly commendable. I have been usingstereoscopic roentgenograms in this study, and I am convincedthat it is an advantage over the ordinary skiagram. Variationsor anomalies in the lateral sinus are more clearly defined. Ofcourse, it means that you must make two equally

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