Diagnosis and management of monoclonal gammopathy of clinical significance.

ABSTRACT

The term "monoclonal gammopathy of clinical significance" (MGCS) refers to any plasma cell or B-cell clonal disorder that does not meet the current criteria for malignant disorders but produces a monoclonal protein that directly or indirectly results in organ damage. The most commonly affected organs are the kidneys, nerves, and skin. This review summarizes the current classification of MGCS and its diagnostic and treatment approaches.