Association between [18F]fluorodeoxyglucose uptake and prognostic parameters in breast cancer
2009
18 F)fluorodeoxyglucose (FDG) uptake assessed by positron emission tomography (PET) in breast tumours, and histopathological and inmunohistochemical prognostic factors. Methods: FDG-PET was performed before surgery in 275 women with primary breast cancer. The standarized uptake value (SUV) was compared with histopathological findings after surgery. Results: A positive relationship was found between the SUV and tumour size (r = 0·46, P < 0·001), axillary lymph node status (P < 0·001), histological type (P < 0·001), histological grade (P < 0·001), oestrogen receptor status (P < 0·001), p53 (P < 0·001) and Ki-67 (P < 0·001) expression. Multivariable linear regression showed that tumour size, histological grade, Ki-67 expression, oestrogen receptor status and histological type were significantly related to the SUV. Conclusion: The SUV is a preoperative and non-invasive metabolic factor that relates to some prognostic factors in breast cancer.
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