Multiple Myeloma and Chronic Lymphatic Leukemia in the Same Patient

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Abstract
A patient with chronic lymphatic leukemia and multiple myeloma is presented. Characterization of the leukemic cells showed them to possess Fc receptors but to lack SmIg [surface immunoglobulin] and C3 [complement component 3] receptors. Intracellular immunoglobulin was not detected within the leukemic cells. The multiple myeloma presented as a soft tissue mass on the chest wall and produced an Ig[immunoglobulin]GK paraprotein. The possible relationship of the 2 disorders is discussed.