Abstract SINCE THE original report,1 in 1952, on the localization of intraocular tumors by the use of radioactive phosphorus, we have been well aware of the limitations of this procedure when dealing with tumors in the posterior portion of the eyeball. Some criticism has been directed along these lines in minimizing the diagnostic value of the counting procedure because the posterior segment could not be satisfactorily reached by our present methods. To facilitate accurate measurements in the posterior segment, we made attempts to construct a scintillation counter, which were successful to some extent; but in general the results were not stable, as leakage was a factor always to be contended with in using this type of counter. We felt that the best approach to this problem was the Geiger counter if one could be constructed in a curved fashion so that the posterior part of the eye could be accurately References 1. Model 225 made by Anton Electronic Laboratories, Inc., 1226-1228 Flushing Ave., Brooklyn 6.
A.M.A. Archives of Ophthalmology – American Medical Association
Published: Sep 1, 1954
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