[Monoclonal gammopathies of undetermined significance and their progression over time. Retrospective study of 190 patients].

Introduction: Monoclonal gammopathies of undetermined significance (MGUS) occur in up to 1% of persons aged 50 years or older. The risk of its progression to multiple myeloma or related disorders is also approximately 1% per year.

Objectives: Our study had two aims: to describe the risk of malignant progression of patients examined in our center for MGUS, and to identify predictors of this malignant progression.