CUANDO LA FUNCION HEPATICA ESTA PRESERVADA, LOS PACIENTES CON LINFOMA DIFUSO DE GRANDES CELULAS B E INFECCION POR VHC PUEDEN TOLERAR EL TRATAMIENTO

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Los pacientes con linfoma difuso de grandes células B y con infección por el virus de hepatitis C comparten una presentación distintiva y una cuadro clínico relativamente indolente. Cuando la función hepática está preservada pueden tolerar el tratamiento y no se los debería privar del esquema quimioinmunoterápico estándar.
visco9.jpg Autor:
Carlo Visco
Columnista Experto de SIIC

Institución:
Saint Bortolo Hospital


Artículos publicados por Carlo Visco
Recepción del artículo
20 de Julio, 2008
Aprobación
15 de Septiembre, 2008
Primera edición
20 de Mayo, 2009
Segunda edición, ampliada y corregida
7 de Junio, 2021

Resumen
El linfoma difuso de grandes células B (LDGCB) ha sido relacionado con la infección por virus de la hepatitis C (VHC) en algunas áreas geográficas. En una publicación anterior describimos los resultados y la tolerancia a la quimioinmunoterapia estándar en 156 pacientes consecutivos con LDGCB, VHC positivos, de tres instituciones del norte de Italia. La presentación clínica de los pacientes con LDGCB VHC positivos es diferente de sus contrapartes VHC negativas, dado que el hígado y el bazo se encuentran habitualmente comprometidos y los niveles de LDH frecuentemente están elevados en el momento del diagnóstico. Solamente una minoría de los pacientes debe interrumpir el tratamiento debido a una insuficiencia hepática grave, y el agregado de rituximab parece no afectar la tolerancia de los pacientes al tratamiento. La coinfección por el virus de la hepatitis B, un estadio Ann Arbor avanzado y el origen ganglionar del tumor, son los factores adversos más importantes para el pronóstico de estos pacientes. Demostramos en esta investigación que la supervivencia global de los pacientes VHC positivos es significativamente mejor comparada con la de 224 pacientes consecutivos con LDGCB, VHC negativos, de similar grupo etario, tratados y seguidos en el Departamento de Hematología de Vicenza durante el mismo lapso (5 años, 72% vs. 56%, p = 0.004). Resulta posible ahora realizar una evaluación prospectiva de linfomas de alto grado VHC positivos.

Palabras clave
linfoma B difuso de células grandes, virus de la hepatitis C, VHC, VHB, linfoma esplénico, rituximab


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Abstract
Diffuse large B-cell lymphoma (DLBCL) has been correlated to hepatitis C virus (HCV) infection in some geographical areas. We have previously described the outcome, and the tolerance to standard chemo-immunotherapy of 156 previously untreated consecutive HCV-positive patients with DLBCL observed in three Institutions from Northern Italy. Clinical presentation of HCV-positive DLBCL differs from their HCV-negative counterpart, with spleen and liver frequently involved at diagnosis, and LDH that is often elevated. Only a minority of patients have to discontinue chemotherapy due to severe liver function impairment, and the addition of Rituximab does not seem to affect patients' tolerance to treatment. Hepatitis B virus co-infection, advanced Ann Arbor stage, and nodal origin of the tumor are the strongest adverse prognostic factors in these patients. We show here that long-term overall survival (OS) of HCV-positive patients is significantly better when compared to 224 consecutive HCV-negative, age-matched patients with DLBCL treated and followed up in Vicenza Hematology Department in the same time period (5-year OS 72% vs. 56%, p = 0.004). A prospective evaluation of HCV-positive high grade lymphomas is now warranted.

Key words
diffuse large B-cell lymphoma, hepatitis C virus, HCV, HBV, spleen lymphoma, rituximab


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Clasificación en siicsalud
Artículos originales > Expertos del Mundo >
página   www.siicsalud.com/des/expertocompleto.php/

Especialidades
Principal: Hematología, Oncología
Relacionadas: Bioquímica, Diagnóstico por Laboratorio, Gastroenterología, Infectología, Medicina Interna



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Enviar correspondencia a:
Carlo Visco, Ospedale S. Bortolo Divisione di Ematologia, 36100, Via Rodolfi 37, Vicenza, Italia
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