Document Detail


18F-fluorodeoxyglucose positron emission tomography (18F-FDG-PET) for staging and follow-up of marginal zone B-cell lymphoma.
MedLine Citation:
PMID:  12759529     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: According to recent reports, nodal marginal zone lymphoma (MZL) appears to be a distinctive lymphoma entity rather than a more advanced stage of extranodal MZL of mucosa-associated lymphoid tissue (MALT). We have therefore retrospectively evaluated all patients diagnosed with nodal or extranodal MZL who have been referred to our unit for imaging using (18)F-fluorodeoxyglucose positron emission tomography ((18)F-FDG-PET). PATIENTS AND METHODS: A total of 21 patients with a diagnosis of MZL upon referral for imaging with (18)F-FDG-PET were identified. Histological reassessment of biopsy specimens confirmed the diagnosis of extranodal MZL of MALT in 14 patients, while a diagnosis of nodal MZL was verified in 6 patients. Lymphoma cell proliferation was assessed immunohistochemically using a Ki-67 antibody. Whole-body (18)F-FDG-PET scans were performed on a GE advanced PET scanner 40 min after intravenous injection of 300-380 MBq (18)F-FDG. RESULTS: None of the patients with extranodal MZL showed focal tracer uptake within verified tumor sites. In contrast, 5 of the 6 patients with nodal MZL showed significant FDG uptake within the affected lymph nodes. These results did not simply reflect the different growth fractions of the two lymphoma entities since the proliferation indices of the two groups did not differ significantly. CONCLUSION:(18)F-FDG-PET visualizes nodal MZL in a high proportion of patients whereas FDG uptake is undetectable in extranodal MZL. Although limited by the small number of patients, this study suggests that imaging with (18)F-FDG-PET might play a potential role in the diagnostic workup of patients with nodal MZL involvement.
Authors:
Martha Hoffmann; Kurt Kletter; Alexander Becherer; Ulrich Jäger; Andreas Chott; Markus Raderer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Oncology     Volume:  64     ISSN:  0030-2414     ISO Abbreviation:  Oncology     Publication Date:  2003  
Date Detail:
Created Date:  2003-05-21     Completed Date:  2003-06-04     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0135054     Medline TA:  Oncology     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  336-40     Citation Subset:  IM    
Copyright Information:
Copyright 2003 S. Karger AG, Basel
Affiliation:
Department of Nuclear Medicine, University of Vienna, Vienna, Austria. martha.hoffman@akh-wien.ac.at
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Female
Fluorodeoxyglucose F18 / diagnostic use*
Humans
Lymphoma, B-Cell / pathology*,  radionuclide imaging*
Lymphoma, B-Cell, Marginal Zone / pathology,  radionuclide imaging
Male
Middle Aged
Radiopharmaceuticals / diagnostic use
Retrospective Studies
Tomography, Emission-Computed* / methods
Chemical
Reg. No./Substance:
0/Radiopharmaceuticals; 63503-12-8/Fluorodeoxyglucose F18

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