RADIOGRAPHY OF THE
LOWER URINARY TRACT
Urinary bladder
Antegrade positive contrast cystography
Retrograde positive contrast cystography
Negative contrast cystography
Retrograde double contrast cystography
Bladder rupture
Subserosal accumulation of contrast
Radiopaque calculi
Emphysematous cystitis
Distended bladder
Chronic cystitis
Urachal diverticulum
Bladder neoplasia
Inflammatory polyps
Radiolucent calculi
Air bubbles
Vesicoureteral reflux
Large tear
Small tear, immediate
Small tear, delayed
Urethra
Retrograde positive contrast urethrography
Air bubbles
Urethral calculi
Neoplasia
Scar tissue
Spasm
Traumatic urethral rupture
Iatrogenic rupture
Streaming
Prostate gland
Normal anatomy
Symmetric (diffuse) enlargement
Asymmetric (focal) enlargement
Urethra displaced dorsally or laterally
Calcification
Gas
Lumbar periosteal proliferation
Large, irregular or smooth cavities
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