Impact of an 18F-FDG PET/CT Radiotracer Injection Infiltration on Patient Management—A Case Report
Frontiers in Medicine, May 2018
Kiser, Jackson W., Crowley, James R., Wyatt, David A., Lattanze, Ronald K.
Major management decisions in patients with solid tumors and lymphomas are often based on 18F-fluorodeoxyglucose (18F-FDG) PET/CT. The misadministration of 18F-FDG outside the systemic circulation can have an adverse impact on this test's sensitivity (1) and is not uncommon (2-7). This report describes how an 18F-FDG misadministration led to a repeat PET/CT study, resulting in the visualization of distant metastases that changed the original treatment plan. The findings suggest that routine injection monitoring is indicated whenever sensitivity is critical, and support claims that infiltrations can confound interpretation of semi-quantitative PET outcome measures in patients who are followed longitudinally (2).
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