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November 13, 1954


Author Affiliations

Guthrie Clinic, Sayre, Pa.

JAMA. 1954;156(11):1104. doi:10.1001/jama.1954.02950110066025

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To the Editor:—  I would like to comment on the case report "Unusual Roentgenographic Data in Unilateral Renal Aplasia," by Drs. Espinosa and Mahoney, in The Journal for July 31, 1954, page 1232. The authors discuss a misleading roentgenogram done after presacral pneumography and showing what appeared to be an enlarged renal shadow on the left side, which, together with other studies, seemed to justify exploration of the left renal fossa. At surgery an atrophic kidney was found instead of the large hydronephrosis that was diagnosed from the deceptive roentgen study.First, I would like to offer a word of caution about the growing use of the highly popular presacral pneumography. After this technique was introduced about four years ago, it was accepted readily and practiced extensively. In some hospitals the method is used almost routinely with all urographic studies. To date, three deaths and two near deaths due to

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