engleski

The value of F-18 FDG triple-head coincidence PET in the posttreatment evaluation of patients with lymphoma

We performed a single-center study comprised of 31 consecutive patients with lymphoma within 3 months after completion of conventional initial therapy or after salvage therapy with high-dose chemotherapy. PET studies were performed by using fluorine-18-fluorodeoxyglucose (FDG) and a hybrid PET camera with triple-head coincidence imaging capability. The long-term follow-up data (at least 12 months, median 20 months) were extracted from the patients' medical files. Fifteen patients were FDG-negative, 12 were positive, and in 4 patients, only slightly increased FDG uptake was observed (equivocal findings, 2 relapsed). Besides all shortcomings of coincidence PET, we found this hybrid PET methodology good enough for reliable prognosis in follow up of our patients, especially in those without pathologic FDG uptake.

positron emission tomography; lymphoma

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