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Important Terminology in Urography

# Urogram

 Visualization of kidney parenchyma, calyces and pelvis resulting from IV injection of contrast

# Pyelogram

 Describes retrograde studies visualizing only the collecting system

- So, IVP is misnomer, should be IVU

# Cystography

Describes visualization of the bladder

# Urethrography

Visualization of urethra

# Cystourethrography

Combined study to visualize bladder and urethra

Three dimensional coronal reconstruction of CT urography image, showing contrast-enhanced renal collecting system, ureters, and bladder. Note duplicated system on left side.