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THE ROLE OF FDG PET/CT IN STAGING IN NEWLY DIAGNOSED LYMPHOMA
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Abstract
Background: The aim of this study is to investigate the imaging characteristics and role of PET/CT in staging in newly diagnosed lymphoma. Methods: This retrospective study was performed on 50 lymphoma patients who received PET/CT before treatment at K hospital and 103 Military hospital from 01/2018 – 01/2021. Diagnostic criteria for staging were applied according to Lugano 2015. Results: We recorded 5 lymph node regions and 15 extranodal sites/organs, lymph node involvement was mainly in the neck region (68% patients), extranodal involvement were mainly in bone marrow (16% patients). There is a relationship between lymph node size and FDG uptake (SUVmax); PET/CT changed the stage in 30% of the patients, of which increased the stage in 24% of the patients, with major change in 16% of the patients (from stage I, II to stage III, IV), and decreased the stage in 6% of the patients.
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Keywords
PET/CT, Lymphoma, Staging
References
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