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American Journal of Roentgenology, Vol 105, 287-290, Copyright © 1969 by American Roentgen Ray Society

LOCALIZATION OF THE CALCIFIED PINEAL BODY ON LATERAL ROENTGENOGRAMS

RONALD P. PAWL 1 and ARTHUR K. WALTER 2

1 Department of Neurology and Neurological Surgery, Neuropsychiatric Institute, University of Illinois, Chicago, Illinois
2 Radiology Service, U.S. Army Tripler General Hospital, Honolulu, Hawaii

1. A method of determining the normal position of the calcified pineal body on lateral roentgenograms is presented. This method does not require the use of preconstructed materials, devices, overlays, graphs or tables, although it does require the knowledge of a relatively simple rule.

2. The range of normal is reduced by this method in our series to 5 mm. above, below, in front of, or behind the calculated point, and the accuracy of this series in our hands was 100 per cent in the superoinferior dimension and 98.5 per cent in the anteroposterior dimension.

3. It is pointed out that the experience of previous authors has indicated the superoinferior dimension is the one most significantly affected in cases in which the pineal body is abnormally displaced, and this dimension in our series is the most accurate.


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Copyright © 1969 by the American Roentgen Ray Society.