Valor diagnóstico del cociente de cadenas ligeras libres de inmunoglobulinas en suero en las gammapatías monoclonales de significado incierto

A change from the cut-off point 0.26-1.65 to 0.36-1.0 for the free κ/λ ratio could be useful in order to avoid performing a bone marrow aspirate in patients with MGUS clinical and laboratory criteria.