In 11 of 12 CLL patients with a monoclonal serum IgG, immunofluorescence
study of the freshly drawn lymphocytes showed S.IgG determinants with the
same light-chain type as the serum IgG. The single patient with a high IgG
peak and Bence Jones proteinuria (kindly referred by Dr. C. Sultan)
showed no evidence of multiple myeloma after four years of follow-up
and was greatly improved by chlorambucil therapy. Many blood lymphocytes,