Residual Lead Infection Identified by 18F-Fluorodeoxyglucose Positron Emission Tomography

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implantable electronic device (CIED) infection was clinically suspected.To confirm the diagnosis, a whole-body 18 F-fluorodeoxyglucose positron emission tomography (FDG-PET) scan was performed, and there was avid uptake (maximum standardized uptake value of 7.8) along the residual leads (Figure B-D).The implanted pacemaker and residual leads were extracted, and a temporary pacemaker was placed.Staphylococcus epidermidis was identified in the culture of the residual leads.He was treated with antibiotics, and a leadless pacemaker was finally implanted after normalization of inflammatory markers (Figure E,F).Although diagnosis of CIED infection can be clinically challenging, FDG-PET scan can detect the infection with high sensitivity even in cases of negative cultures.

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