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Case report: inverted contrast medium--urine level in the bladder on computed tomography.
Carrington, Bernadette M ; Johnson, Richard J
Carrington, Bernadette M
Johnson, Richard J
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Abstract
Fluid-fluid levels within structures are caused by differences between the specific gravity of the fluids. This results in a characteristic appearance on computed tomography (CT), with urine which contains contrast medium and has a high specific gravity layering posteriorly in the dependent portion of the bladder, while lower specific gravity, non-opacified urine is found uppermost. We report a patient in whom the contrast medium-urine level was inverted because of sediment in the dependent part of the bladder.
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1992-09
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Case report: inverted contrast medium--urine level in the bladder on computed tomography. 1992, 46 (3):216-7 Clin Radiol