A first Czech analysis of 1887 cases with monoclonal gammopathy of undetermined significance.

Introduction: Monoclonal gammopathy of undetermined significance (MGUS) is a premalignant condition with a risk of malignant conversion.

Patients And Methods: With the aim to estimate the cumulative risk MGUS progression to hematologic malignancies, we analyzed a nationwide population-based cohort of 1887 MGUS patients from the Czech Registry of Monoclonal Gammopathies (RMG) between 2007 and 2013.

Results: During the follow-up period (median 4 years; range 0.