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Br J Haematol ; 202(4): 776-784, 2023 08.
Artículo en Inglés | MEDLINE | ID: mdl-37386877

RESUMEN

The aims of our study were to analyse compliance with the 2014 GELTAMO SMZL Guidelines, in patients with splenic marginal zone lymphoma (SMZL), and to evaluate the outcome according to the HPLLs/ABC-adapted therapeutic strategy. Observational prospective multicenter study of 181 SMZL patients diagnosed between 2014 and 2020. Lymphoma-specific survival (LSS), composite event-free survival (CEFS) and response rates were assessed. 57% of the 168 patients included in the analysis followed the Guidelines. The overall response rate was higher in the rituximab chemotherapy and in the rituximab arms compared with the splenectomy arm (p < 0.001). The 5-year overall survival was 77% and the 5-year LSS of 93%. There were no differences in the 5-year LSS according to the treatment received (p = 0.68). The 5-year CEFS in the overall series was 45%, and there were significant differences between scores A and B (p = 0.036). There were no significant differences when comparing LSS and progression-free survival in patients treated with rituximab or rituximab chemotherapy at diagnosis or after observation. Our data support HPLLs/ABC score as a practical tool for the management of SMZL, observation as the best approach for patients in group A and rituximab as the best treatment for group B.


Asunto(s)
Leucemia Linfocítica Crónica de Células B , Linfoma de Células B de la Zona Marginal , Neoplasias del Bazo , Humanos , Rituximab/uso terapéutico , Resultado del Tratamiento , Estudios Prospectivos , Linfoma de Células B de la Zona Marginal/diagnóstico , Linfoma de Células B de la Zona Marginal/tratamiento farmacológico , Neoplasias del Bazo/tratamiento farmacológico , Neoplasias del Bazo/patología , Esplenectomía/efectos adversos , Leucemia Linfocítica Crónica de Células B/tratamiento farmacológico
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