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Metabolic tumor volume changes assessed by interval 18fluorodeoxyglucose positron emission tomography‑computed tomography for the prediction of complete response and survival in patients with diffuse large B‑cell lymphoma

  • Authors:
    • Luis F. Oñate‑Ocaña
    • Violeta Cortés
    • Rodrigo Castillo‑Llanos
    • Andrea Terrazas
    • Osvaldo Garcia‑Perez
    • Quetzalli Pitalúa‑Cortes
    • Mayra Ponce
    • Alfonso Dueñas‑Gonzalez
    • Myrna Candelaria

  • View Affiliations

  • Published online on: May 25, 2018     https://doi.org/10.3892/ol.2018.8817
  • Pages: 1411-1418

  • Copyright: © Oñate‑Ocaña et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

An early discrimination of survival probability is required for patients with diffuse large B cell lymphoma (DLBCL), which may identify patients that require other treatment options, for example clinical trials. To the best of our knowledge, the impact of interim evaluation with 18fluorodeoxyglucose positron emission tomography‑computed tomography (18F‑FDG PET/CT) has not yet been determined in this type of neoplasia. The aim of the present study was to determine the role of changes in metabolic tumor volume (MTV) between baseline and interim 18F‑FDG PET/CT scans, following three courses of chemotherapy in order to predict complete response (CR) and overall survival (OS) in patients with DLBCL. Patients with previously untreated DLBCL who had received the standard 6‑8 cycles of rituximab, cyclophosphamide, doxorubicin, vincristine and prednisone were included in the present study. A predictive model was constructed using changes in MTV and other clinical factors including age, gender, East Cooperative Oncology Group (ECOG) status, clinical stage, B symptoms, the presence of bulky disease and elevated lactate dehydrogenase levels, and data were analyzed using logistic regression analysis. In total, 50 patients with DLBCL were included in the present study. The majority of patients presented with stage III/IV disease (64%), B symptoms (72%) and bulky disease (58%). According to the International Prognostic Index score, 44% of patients were in the intermediate‑high or high‑risk categories for risk of relapse, and therefore considered to have poor prognosis. In total, ≥94% of patients achieving a decrease in total MTV had a 2‑year OS rate of 95%, compared with the 58% OS rate of those with a suboptimal response. A multivariate model, including a change in MTV (a decrease of ≥94%), the ECOG performance status ≥2, a change in leukocyte counts and age, was used to predict CR. This model was used to define two groups according to the predicted probability of recurrence (cutoff, 0.69). The 2‑year survival rates of the two groups were 95 and 59%, respectively. Analysis of changes in MTV in the interim 18F‑FDG PET/CT revealed significant prognostic value for the prediction of CR and OS in patients with DLBCL.
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August-2018
Volume 16 Issue 2

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Oñate‑Ocaña LF, Cortés V, Castillo‑Llanos R, Terrazas A, Garcia‑Perez O, Pitalúa‑Cortes Q, Ponce M, Dueñas‑Gonzalez A and Candelaria M: Metabolic tumor volume changes assessed by interval 18fluorodeoxyglucose positron emission tomography‑computed tomography for the prediction of complete response and survival in patients with diffuse large B‑cell lymphoma. Oncol Lett 16: 1411-1418, 2018
APA
Oñate‑Ocaña, L.F., Cortés, V., Castillo‑Llanos, R., Terrazas, A., Garcia‑Perez, O., Pitalúa‑Cortes, Q. ... Candelaria, M. (2018). Metabolic tumor volume changes assessed by interval 18fluorodeoxyglucose positron emission tomography‑computed tomography for the prediction of complete response and survival in patients with diffuse large B‑cell lymphoma. Oncology Letters, 16, 1411-1418. https://doi.org/10.3892/ol.2018.8817
MLA
Oñate‑Ocaña, L. F., Cortés, V., Castillo‑Llanos, R., Terrazas, A., Garcia‑Perez, O., Pitalúa‑Cortes, Q., Ponce, M., Dueñas‑Gonzalez, A., Candelaria, M."Metabolic tumor volume changes assessed by interval 18fluorodeoxyglucose positron emission tomography‑computed tomography for the prediction of complete response and survival in patients with diffuse large B‑cell lymphoma". Oncology Letters 16.2 (2018): 1411-1418.
Chicago
Oñate‑Ocaña, L. F., Cortés, V., Castillo‑Llanos, R., Terrazas, A., Garcia‑Perez, O., Pitalúa‑Cortes, Q., Ponce, M., Dueñas‑Gonzalez, A., Candelaria, M."Metabolic tumor volume changes assessed by interval 18fluorodeoxyglucose positron emission tomography‑computed tomography for the prediction of complete response and survival in patients with diffuse large B‑cell lymphoma". Oncology Letters 16, no. 2 (2018): 1411-1418. https://doi.org/10.3892/ol.2018.8817