Rapid Improvement of Scleromyxedema Associated With IgG Kappa Monoclonal Gammopathy After Intravenous Immunoglobulin (IVIG)

Abstract

interstitial between collagen bundles. for scleromyxedema, and protein electrophoresis demonstrated IgG kappa monoclonal gammopathy. Subsequent bone marrow biopsy a kappa plasma change for Raynaud’s a with a speckled pattern, anti-Scl-70, and anti-centromere antibodies. for of IgG kappa, rather than monoclonal