-Briefly review the technique,
advantages and limitations of intravenous urography (IVU) -Describe IVU findings of several urinary diseases highlighting the knowledge junior radiologists can still achieve from this procedure. -Provide a correlation between IVU findings and other diagnostic modalities as ultrasound,
CT and MRI.
IVU is a fluoroscopic diagnostic technique that has fallen into disuse over the years in clinical practice and has been replaced by more sensitive and specific imaging modalities.
The urographic imaging sequence through progressive urinary structures opacification with contrast is designed to optimize the visualization of kidney,
ureters and bladder providing important anatomy details. Firstly,
this procedure requires a functioning kidney as contrast materials are excreted almost exclusively...
Findings and procedure details
A retrospective study was performed with review of IVU of patients with several urologic diseases and its findings were correlated with those of other diagnostic modalities. IVU advantages -Detailed anatomy of collecting systems with demonstration of major calcifications; -Sensitive for acute obstrution; -Low cost and low radiation dose. IVU technique and interpretation 1.
Baselineradiogram: KUB radiograph with optional incidencesas oblique,
to evaluate the presence of prior calcifications...
Intravenous urography (IVU) is an inexpensive and low-radiation technique and may still have some utility for detection of several urologic diseases if we know how to properly interpret their findings and understand their limitations. IVU may also provide useful information of urinary tract morphology and anatomy and may help junior radiologists to better understand the progression of renal filtration and opacification to a subsequent CT or MRI study. Althouth this technique is currently...
Catarina Abreu Silva - Junior Radiologist at Hospital Pedro Hispano Ana Catarina Silva - Attending Radiologist at Hospital Pedro Hispano Jorge Machado - Director of Radiology Department at Hospital Pedro Hispano
Intravenous Urography: Technique and Interpretation.RadioGraphics 2001; 21:799-824. -Raymond B.
Ronald.Classic signs in uroradiology. -Rha SU,
The Renal Sinus: PathologicSpectrum and Multimodality Imaging Approach.
RadioGraphics 2004; 24:S117-S131. -Textbook of uroradiology.
3th edition.Reed Dunnick,