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May 25, 1970

Retrograde Pyelography In Azotemia

Author Affiliations

Lexington, Ky

JAMA. 1970;212(8):1377. doi:10.1001/jama.1970.03170210081025

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To the Editor:—  I appreciate Drs. Dine and Shuster's interest in "Renal Papillary Necrosis" (210: 1098, 1969) and concur in the use of DIP prior to retrograde pyelography. This roentgenographic technique has decreased the need for retrogrades in many instances. I have employed DIP in the past five to six years with often surprisingly good results.Our enthusiasm, however, in patients with BUN values greater than 100 mg/100 ml has not paralleled that of Drs. Dine and Shuster as pyelographic detail with nonopaque filling defects is best demonstrated with retrograde pyelograms in our hands.