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Positron emission tomography with 2-[18F]-fluoro-2-deoxy-D-glucose in the evaluation of postoperative endometrial cancer patients

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Author(s): Rebollo-Aguirre, Ánge. | Ramos-Font, Carlos. | Gallego Peinado, Marta. | Bellón Guardia, María. | Rodríguez-Fernández, Antonio. | Menjón Beltrán, Salomón. | Llamas-Elvira, José Manuel.

Journal: Alasbimn Journal
ISSN 0717-4055

Volume: 9;
Issue: 37;
Date: 2007;
Original page

Keywords: FDG-PET | endometrial cáncer | uterine cáncer | recurrence | follow-up.

ABSTRACT
Objective To evaluate the usefulness of positron emission tomography with 2-[18F]fluoro-2-deoxy-D-glucose (FDG-PET) in the follow-up of endometrial cancer patients with suspicion of recurrence due to elevated serum tumour markers and suggestive conventional imaging findings.Material and methods A retrospective review was conducted of 17 FDG-PET studies performed in 11 patients with a previous diagnosis of endometrial cancer (6 patients underwent 2 studies) between April 2002 and October 2005. Mean age of patients was 63.4 yrs (range, 52-69 yrs), and mean time since diagnosis was 56 months (range, 11 months - 12 yrs). Initially, 7 patients were in stage I, 3 in stage III, and 1 in stage IV (FIGO classification). Histologically, they corresponded to 8 endometrioid and 3 non-endometrioid cancers.Results FDG-PET showed infradiaphragmatic uptake in three patients and disseminated disease in seven; findings were negative in one patient. Computed tomography (CT, n=7) or magnetic resonance (MRI, n=7) images revealed infradiaphragmatic lesions in five patients and visceral lesions in two. All patients showed elevated serum tumour markers (CA125, n=9; CA19.9, n=2; CA15.3, n=2). FDG-PET results modified the information provided by conventional imaging techniques in seven patients and provided no additional information in the remaining four. There was histological confirmation of lesions in two patients. Nine patients were clinically followed up, including imaging studies (mean follow-up, 8.7 months; range, 3-20 months).Conclusion FDG-PET is superior to CT and MRI for detecting recurrence in the follow-up of patients with endometrial cancer.

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