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September 28, 1929, Vol 93, No. 13 >
ARTICLE | September 28, 1929

A CONTRASTING MEDIUM FOR PYELOGRAPHIC STUDY

Lowrain E. McCrea, M.D.
JAMA. 1929;93(13):987-988. doi:10.1001/jama.1929.27110130001009a.
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ABSTRACT

Since 1897, when Tullier first attempted to render the urinary tract opaque, urologists have striven to find an efficient pyelographic medium of low toxicity. In the past, numerous solutions have been used, each having its advantages heralded as ideal, but for one reason or another they all have been discarded. At present the most widely accepted and generally employed pyelographic medium is an aqueous solution of sodium iodide. The strength customarily used is 12.5 per cent; however, in the service of Dr. William H. Mackinney at the Lankenau Hospital a 20 per cent solution was employed as a routine until the adoption of the new medium. The reason for the use of a solution of such strength was that clinically it was no more irritating than a solution of 12.5 per cent and in cases of hydronephrosis and pyonephrosis in which the medium was diluted by the fluid contained within

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