Viruette-Pontigo D, Olivares-Montano AK, Alonso de RP, Romero-Guadarrama M

Idioma: Español
Referencias bibliográficas: 26
Paginas: 131-137
Archivo PDF: 165.56 Kb.

RESUMEN

Objetivo: La biopsia por aspiración con aguja fina (BAAF) es útil en el diagnóstico y manejo oportuno de las linfadenopatías. Con el material obtenido se puede realizar cualquier estudio complementario (inmunohistoquímica, citometría de flujo, etcétera). Este trabajo evaluó la sensibilidad, especificidad, valor predictivo positivo, valor predictivo negativo y certeza diagnóstica de la BAAF de ganglio linfático, tomando como estándar de oro la biopsia. Material y métodos: La muestra fue obtenida a partir de los reportes de citología e histología de los pacientes a quienes se les realizó BAAF y biopsia excisional, en un periodo de cinco años. Un experto en patología linfática realizó la revisión retrospectiva de los casos no concordantes. Resultados: Se recibieron 1,750 punciones-aspiraciones de ganglio linfático. El protocolo se realizó en 111 casos. La BAAF de ganglio obtuvo sensibilidad de 73.7%, especificidad de 96.7%, valor predictivo positivo de 98.3%, valor predictivo negativo de 58.8% y certeza diagnóstica de 80%. Conclusiones: El diagnóstico debe hacerse de manera integral con los hallazgos clínicos, citológicos y de estudios complementarios. La BAAF tiene una alta especificidad en linfomas recurrentes y metástasis. La evaluación y subclasificación de los linfomas requiere de un experto en la materia.

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