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Revista de investigación clínica
versión On-line ISSN 2564-8896versión impresa ISSN 0034-8376
Resumen
CANDELARIA, Myrna et al. Clinical characteristics of primary extranodal versus nodal diffuse large B-Cell Lymphoma: A retrospective cohort study in a cancer center. Rev. invest. clín. [online]. 2019, vol.71, n.5, pp.349-358. Epub 09-Abr-2021. ISSN 2564-8896. https://doi.org/10.24875/ric.19003027.
Background
The outcome of patients with primary extranodal diffuse large B-cell lymphoma (PE-DLBCL) varies according to the primary site involved. Primary gastrointestinal, breast, bone, craniofacial, and testicular DLBCL are rare extranodal manifestations of DLBCL.
Objective
The objective of the study was to describe the clinical course of patients with PE-DLBCL disease in a referral cancer center.
Results
From 637 patients, 51 (8.77%) were considered as having PE-DLBCL (25 gastrointestinal, 12 craniofacial, 6 breast, 5 bone, and 3 with primary testicular DLBCL). Complete remission was higher in all PE-DLBCL sites (100% in testicular, 92.6% craniofacial, 83.3% breast, 80% bone, and 80% gastrointestinal) compared with 73.3% in nodal DLBCL. Although 2 cases with breast PE-DLBC relapsed, they achieved a complete response with chemotherapy. The overall survival at 5 years was 100%, 80%, 78%, 58%, 58%, and 62% for patients with primary breast, primary bone, gastrointestinal, primary craniofacial, primary testicular, and nodal DLBCL, respectively.
Conclusions
PE-DLBCLs constitute rare, primary sites of lymphoproliferative disorders in most cases, with localized disease and good prognosis. They require a combined chemoimmunotherapy with radiotherapy in most cases to improve local and systemic disease.
Palabras llave : Primary extranodal lymphoma; Breast lymphoma; Diffuse large B cell lymphoma; Primary bone lymphoma; Primary craniofacial lymphoma; Primary gastrointestinal lymphoma.