Fluorodeoxyglucose-PET/Computed Tomography as a Predictor of Prognosis in Multiple Myeloma
Cristina Nanni1, Elena Zamagni2
1Metropolitan nuclear medicine, Azienda Ospedaliera-Universitaria di Bologna S. Orsola Malpighi, Bologna, Italy.
Abstract:
Fluorodeoxyglucose-PET/CT is a valuable tool for the work-up of patients with newly diagnosed and relapsed/refractory multiple myeloma, because it assesses bone damage with high sensitivity and specificity and detects extramedullary sites of proliferating clonal plasma cells (extramedullary diseases). PET/CT provides valuable prognostic data at diagnosis and at restaging during the course of the disease. Consistencies between independent studies confirm the negative prognostic value of extramedullary disease and greater than 3 focal lesions, whereas the role of standardized uptake value is more conflicting. Standardization of the technique is ongoing.
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