Retrograde pyelography is the reference standard for diagnostic imaging of ureteral obstruction, but it is often time-consuming and impractical in unstable patients, especially children.

Intravenous pyelography in the supine and upright positions was requested, as nephroptosis of the right kidney was suspected, and confirmed the diagnosis (Figure 1).

Retrograde pyelography is a procedure commonly used by urologists involving X-ray imaging to visualize the kidneys, bladder and ureters. It involves the insertion of a cystoscope into the urinary ...

Inferior venacavography, intravenous pyelography, bone-marrow examination, hematologic studies, studies of liver and renal function and x-ray examination of the chest were within normal limits.

Archive Intravenous Pyelography in Infants with Single Umbilical Artery Authors: Murray Feingold, M.D., Richard N. Fine, M.D., and David Ingall, M.D. Author Info & Affiliations Published May 28, 1964 ...