Utilidad de la biopsia líquida en linfomas B
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2026
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09/04/2026
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Universidad Complutense de Madrid
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Abstract
La secuenciación masiva de nueva generación (NGS, por sus siglas en inglés) ha transformado en los últimos años el abordaje de los linfomas B. La caracterización molecular más precisa de estos tumores está permitiendo identificar subtipos genéticos con implicaciones pronósticas y terapéuticas, lo que está impulsando una reclasificación de los linfomas B, y favoreciendo estrategias más personalizadas. En este contexto, la técnica de determinación de ADN tumoral circulante (ANDtc), también conocida como biopsia líquida, permite detectar estas alteraciones genéticas relacionadas con el tumor a partir de muestras de sangre periférica. Esta herramienta permite un acceso al material genético del tumor de una manera mínimamente invasiva y rápida, además de representar mejor la heterogeneidad molecular del tumor. Objetivos: Este estudio evalúa la utilidad de la biopsia líquida mediante el análisis de ADNtc plasmático en el diagnóstico y seguimiento de los linfomas de célula B, en concreto en los subtipos más frecuentes: Linfomas B de Célula Grande y Linfomas Foliculares...
Next-generation sequencing (NGS) has transformed the clinical management of B-cell lymphomas in recent years. The enhanced molecular characterization of these tumors has enabled the identification of genetic subtypes with prognostic and therapeutic relevance, driving a reclassification of B-cell lymphomas and promoting more personalized treatment strategies. In this context, the analysis of circulating tumor DNA (ctDNA), also known as liquid biopsy, allows for the detection of tumor-associated genetic alterations through peripheral blood samples. This approach provides rapid and minimally invasive access to tumor genetic material and better reflects the tumor’s molecular heterogeneity. Objectives: This study aims to evaluate the clinical utility of liquid biopsy through plasma ctDNA analysis in the diagnosis and follow-up of B-cell lymphomas, focusing on the most common subtypes: Diffuse Large B-cell lymphoma (DLBCL) and Follicular Lymphoma (FL)...
Next-generation sequencing (NGS) has transformed the clinical management of B-cell lymphomas in recent years. The enhanced molecular characterization of these tumors has enabled the identification of genetic subtypes with prognostic and therapeutic relevance, driving a reclassification of B-cell lymphomas and promoting more personalized treatment strategies. In this context, the analysis of circulating tumor DNA (ctDNA), also known as liquid biopsy, allows for the detection of tumor-associated genetic alterations through peripheral blood samples. This approach provides rapid and minimally invasive access to tumor genetic material and better reflects the tumor’s molecular heterogeneity. Objectives: This study aims to evaluate the clinical utility of liquid biopsy through plasma ctDNA analysis in the diagnosis and follow-up of B-cell lymphomas, focusing on the most common subtypes: Diffuse Large B-cell lymphoma (DLBCL) and Follicular Lymphoma (FL)...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, leída el 09-04-2026










