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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

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18F-FDG PET/CT in Bladder Cancer.

Luca Tagliabue¹, Giovanna Russo, Giovanni Lucignani

¹From the *Department of Diagnostic Imaging, Nuclear Medicine Unit, ASST "Santi Paolo e Carlo" University Hospital, Milan; and †Department of Clinical Science, University of Milan, Milan, Italy.

Clinical Nuclear Medicine

|November 9, 2016

Summary

Fluorodeoxyglucose F 18 (FDG) Positron Emission Tomography/Computed Tomography (PET/CT) can detect bladder cancer. Careful review of urinary tract imaging is crucial for accurate diagnosis, even with variable FDG uptake.

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Area of Science:

Nuclear Medicine
Oncology
Radiology

Background:

Fluorodeoxyglucose F 18 (FDG) Positron Emission Tomography/Computed Tomography (PET/CT) is a powerful imaging tool.
Interpretation of bladder tumors using FDG-PET/CT can be challenging due to urinary clearance and variable bladder wall uptake.

Observation:

Two cases of bladder cancer successfully detected using FDG-PET/CT are presented.
These cases highlight the potential for unexpected findings in the urinary tract during whole-body scans.

Findings:

FDG uptake in the bladder wall, when evaluated alongside CT scans, can indicate malignancy.
Combined analysis of CT and FDG-PET images of the urinary tract provides valuable diagnostic information.

Implications:

FDG-PET/CT can be a useful modality for bladder cancer detection when interpreted carefully.
Routine review of the entire urinary tract in whole-body FDG-PET/CT scans is recommended for identifying potential bladder abnormalities.