Antegrade MDCT pyelography for the evaluation of patients with obstructed urinary tract

Eduard Ghersin, Olga R. Brook, Shimon Meretik, Joseph K. Kaftori, Amos Ofer, Marco A. Amendola, Ahuva Engel

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Abstract

OBJECTIVE. The purpose of this study was to design an alternative imaging technique to CT urography in patients with high-grade urinary tract obstruction, with or without impaired renal function, that uses the superior resolution of MDCT and avoids IV contrast material administration. CONCLUSION. Antegrade MDCT pyelography is an alternative imaging technique to CT urography in patients with high-grade urinary tract obstruction with or without impaired renal function. It enables accurate diagnosis of the level of obstruction, as well as its etiology, including nephroureterolithiasis, urothelial tumors, primary congenital megaureter, uretero-pelvic junction stenosis, ureteral edema, ureteral stricture, retroperitoneal fibrosis, and pelvic lymphadenopathy.

Original languageEnglish (US)
Pages (from-to)1691-1696
Number of pages6
JournalAmerican Journal of Roentgenology
Volume183
Issue number6
DOIs
StatePublished - Dec 2004
Externally publishedYes

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ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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