Abstract
Objective:
The objective of our study was to determine the frequency and cause of anterior layering of excreted 18F-FDG in the bladder on PET/CT.
Conclusion:
Anterior layering of excreted FDG in the bladder is commonly seen on PET/CT scans obtained with i.v. iodinated contrast material and is due to displacement of FDG by excreted iodinated contrast material; this phenomenon may unmask FDG-avid bladder disease.
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Contrast Media / administration & dosage
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Female
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Fluorodeoxyglucose F18 / administration & dosage
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Fluorodeoxyglucose F18 / pharmacokinetics*
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Humans
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Injections, Intravenous
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Iohexol / administration & dosage
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Male
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Middle Aged
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Neoplasms / diagnostic imaging
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Neoplasms / pathology*
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Phantoms, Imaging
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Positron-Emission Tomography / methods*
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Radiography
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Radiopharmaceuticals / administration & dosage
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Radiopharmaceuticals / pharmacokinetics*
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Retrospective Studies
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Tomography, Emission-Computed
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Urinary Bladder / metabolism*
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Urinary Bladder Neoplasms / diagnostic imaging*
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Urinary Bladder Neoplasms / secondary*
Substances
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Contrast Media
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Radiopharmaceuticals
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Fluorodeoxyglucose F18
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Iohexol