Abstract
A patient receiving intradermal injections of vaccine directed towards carcinoembryonic antigen-bearing metastases from colorectal cancer showed uptake of 18F-fluorodeoxyglucose in local draining lymph nodes during the course of treatment. This appearance should be considered as a possible false positive in patients undergoing such treatment who are being investigated with PET scans.
MeSH terms
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Adenocarcinoma / drug therapy*
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Adenocarcinoma / secondary
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Antineoplastic Combined Chemotherapy Protocols / therapeutic use
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Axilla
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Cancer Vaccines / adverse effects*
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Carcinoembryonic Antigen / metabolism
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Colorectal Neoplasms*
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Humans
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Liver Neoplasms / diagnostic imaging
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Liver Neoplasms / drug therapy*
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Liver Neoplasms / secondary
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Lymphatic Diseases / chemically induced*
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Male
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Middle Aged
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Tomography, Emission-Computed
Substances
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Cancer Vaccines
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Carcinoembryonic Antigen