Reversed contrast-urine levels in urinary bladder: CT findings
Contrast-urine levels are routinely seen in contrast-enhanced computed tomography (CT) of the pelvis with contrast-opacified urine in the bottom and unopacified urine in the top. We encountered four cases in which contrast-urine levels were reversed. The reversal of the contrast-urine level was probably caused by high specific gravity of the preexisting urine in the bladder due to infectious debris or mucous threads in the urine.
Key wordsBladder Bladder, CT Contrast media, effects Urine
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