ocr: Disorder M-Component PLASMA CELL NEOPLASMS Multiple myeloma IgG > IgA > IgD > IgE; + free Lchain or L. chain alone (x > A); rarely biclonal or without detectable Ig abnormality "Solitary" myeloma of bone Extramedullary plasmacytoma Macroglobulinemia IgM + free L chain (K > A) Heavy-chain disease %a, or H chain or fragment; 8, or E Primary amyloidosis Free L chain (A > K) or L chain fragment alone or plus IgG, IgA, IgM, or IgD Monoclonal gammopathy of unknown significance IgG, IgM, IgA, or IgD usually without urinary L chain secretion OTHER B-CELL NEOPLASMS Chronic lymphocytic leukemia M-compon ...