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18F-FDG-PET/CT in a patient with suspected recurrence of germ cell tumor.

At present, the available clinical practice guidelines for the management of patients with germ cell tumor (GCT) assign to Positron Emission Tomography (PET) scan a role in the evaluation of the residual mass at the end of the treatment of advanced seminoma, while a possible role of this tool in the strategy of follow-up has not been defined yet. We are presenting a case of a patient treated for a GCT with an increase of the marker levels during the follow-up where a PET/CT with 18F-FDG was the only noninvasive examination able to correctly identify the site of disease recurrence. This case shows how this tool could have a role, in addition to morphological examinations, in the management of patients with GCT during the follow-up.