CT Cystography
Radiographic and Clinical Predictors of Bladder Rupture
Desiree E. Morgan1,
Lakshmi K. Nallamala1,
Philip J. Kenney1,
Matthew S. Mayo2 and
Loring W. Rue3
1
Department of Radiology, University of Alabama, 619 S. 19th St. Birmingham, AL
35233.
2
Department of Biostatistics, Kansas Cancer Institute, 3901 Rainbow Blvd.,
Kansas City, KS 66160-7312.
3
Department of Surgery, The Trauma Center of the University of Alabama,
Birmingham, AL 35233.

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Fig. 1. 59-year-old man with extraperitoneal bladder rupture and fractured
pelvis.
A, Standard IV contrastenhanced CT scan through base of
bladder shows displaced iliac fracture (black arrow) and reveals
small amount of opacified urine in bladder base and fluid within
extraperitoneal deep pelvic space (arrow).
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Fig. 1. 59-year-old man with extraperitoneal bladder rupture and fractured
pelvis.
B, CT cystogram at level similar to A shows iliac fracture
and full distention of bladder. Note extravasation of retrogradely
administered contrast medium into extraperitoneal space (white
arrow).
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Fig. 2. 49-year-old man with isolated acetabular fracture and normal
findings on CT cystogram.
A, Contrast-enhanced CT scan through bladder base reveals posterior
column right acetabular fracture (arrow) and no pelvic fluid.
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Fig. 2. 49-year-old man with isolated acetabular fracture and normal
findings on CT cystogram.
B, CT cystogram at level of acetabular roof shows full bladder
distention with no extravasation of contrast medium.
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Fig. 3. 38-year-old man with intraperitoneal bladder rupture.
A, Contrast-enhanced CT scan above bladder dome reveals free
intraperitoneal fluid (arrow). No extravasation of contrast medium
was seen on more inferior images (not shown) during standard contrast-enhanced
CT.
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Fig. 3. 38-year-old man with intraperitoneal bladder rupture.
B, CT cystogram shows extravasated contrast medium (arrows)
in intraperitoneal location surrounding bladder dome.
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Fig. 4. 49-year-old man with microhematuria and normal findings on CT
cystogram.
A, Contrast-enhanced CT scan through bladder base reveals partial
antegrade filling of bladder with excreted contrast medium. Neither pelvic
fracture nor pelvic fluid was noted.
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Fig. 4. 49-year-old man with microhematuria and normal findings on CT
cystogram.
B, CT cystogram at slightly higher level than A shows smooth
bladder contour without extravasation.
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Copyright © 2000 by the American Roentgen Ray Society.