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The prognostic significance of whole-body and spleen MTV (metabolic tumor volume) scanning for patients with diffuse large B cell lymphoma

Background Positron Emission Tomography-Computed Tomography (PET-CT) has been changing diagnostic and therapeutic strategies for patients with cancers, and several PET-CT-related prognostic factors have been reported. We have focused on metabolic tumor volumes (MTVs) over the whole body and in speci...

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Bibliographic Details
Published in:International journal of clinical oncology 2021, Vol.26 (1), p.225-232
Main Authors: Yamanaka, Shintaro, Miyagawa, Masao, Sugawara, Yoshifumi, Hasebe, Shinji, Fujii, Tomomi, Takeuchi, Kazuto, Tanaka, Keiko, Yakushijin, Yoshihiro
Format: Article
Language:English
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Summary:Background Positron Emission Tomography-Computed Tomography (PET-CT) has been changing diagnostic and therapeutic strategies for patients with cancers, and several PET-CT-related prognostic factors have been reported. We have focused on metabolic tumor volumes (MTVs) over the whole body and in specific organs using 18F-PET-CT imaging, and have compared clinical data to know the prognosis of patients with diffuse large B cell lymphoma (DLBCL). Patients and methods From January 2006 to December 2016, patients who were newly diagnosed for de novo DLBCL and who received 18F-FDG PET-CT scans for disease staging at Ehime University Hospital were reviewed. Results A total of forty out of 108 patients with DLBCL were analyzed. The median and the average follow-up were 3.9 years and 3.6 years. Both MTV50 and MTV60 whole-body searching indicated effective prognostic values for patients with DLBCL statistically ( P  = 0.027). However, analysis of MTVs in the spleen and in bone marrow did not provide any prognostic value. Receiver operating characteristic (ROC) analysis indicated that the cutoff level 25.8 in MTV60 is the most effective prognostic value ( P  = 0.022) which predicts patient survival after treatment with R-CHOP chemotherapy. Conclusion MTV60 using whole-body scanning appears to be an effective indicator in DLBCL and indicates the patient prognosis.
ISSN:1341-9625
1437-7772
DOI:10.1007/s10147-020-01807-6