Abstract
Objective To investigate the value of Fluorine-18 fluorodeoxyglucose positron emission tomography (~(18)F-FDG-PET)in staging and detecting residual disease during follow-up of non-Hodgkin's lymphoma in children. Methods The results of~(18)F-FDG-PET of 88 podiatric NHL before and after chemotherapy was analyzed respectively.The results were compared with CT scans simultaneously.Results 67 cases were performed for initial staging.Of the 1072 anatomy regions were analyzed by PET and CT with concordalice of 88.62%regions(positive in 11.10%and negative in 77.52%1.Disconcordance were found in 11.38%regions(PET positive but CT negative in 6.8 1%,PET negative but CT positive in 4.57%).PET was significantly better than CT scan in the staging of podiatric NHL.35 scans were performed in the follow-up.The true residual disease positive rate of PET and CT were 87.50%and 57.14% respectively.The false positive rate of PET and CT were 12.50%and 50.00%respectively.Conclusion ~ (18)SF-FDG-PET imaging is of great value for the staging of the pediatric patients with NHL It's a useful technique to identify the residual disease,avoid unnecessary treatment and biopsy and Can predict eady relapse. Key words: Fluorodeoxyglucose F~(18) Positron-Emission tomography; Lymphoma Child; Treatment outcome
Published Version
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