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3%) and mild (Hb?>?10? http://www.selleck.cn/products/lee011.html compared to 93.5% (CI 95% 87.2�C99.8) for patients without chronic anemia (P?=?0.617). In conclusion, the occurrence of a late chronic anemia during long-lasting treatment with imatinib has been observed in about 30% of our responsive patients: its occurrence does not seem to affect OS, but its real impact should be evaluated on a larger cohort of patients. Am. J. Hematol., 2014. ? 2014 Wiley Periodicals, Inc. ""We read with interest the recent report of Schuster et al. [1], who described the clinical presentation and outcome of 21 patients diagnosed with immunoglobulin M (IgM) multiple myeloma (MM). In this report, http://www.selleckchem.com/products/epacadostat-incb024360.html the authors defined IgM MM according to the following criteria��IgM monoclonal gammopathy, equal or greater than 10% bone marrow plasma cells and the presence of lytic bone disease and/or translocation t(11;14). We believe that this definition is restrictive and will fail to capture a proportion of patients particularly those with asymptomatic disease and other cytogenetic abnormalities. Ideally IgM MM should be defined according to principles identical http://www.selleckchem.com/products/i-bet-762.html to those used in standard MM. We have previously reported the clinicopathological features of 10 patients with IgM MM [2] and in this current report detail the features of two additional patients (Table I) to further clarify the immunophenotypic and genotypic characteristics of IgM MM. The cytogenetic characteristics of IgM MM were first evaluated by Avet-Loiseau et al. [3], who demonstrated the t(11;14) by fluorescence in situ hybridization in seven of eight cases (88%). Similarly, in our initial study, we demonstrated the translocation in 5/8 evaluable cases and have also demonstrated it in a further patient included in this current report (overall incidence 6/10, 60%). Schuster and coworkers demonstrated the translocation in a lower proportion of patients (38%), although a further report has failed to demonstrate it in two further cases [1, 4]. It is clear, therefore, that although the t(11;14) appears to occur at a higher frequency in IgM MM, it cannot be regarded as a defining abnormality. Similarly, we reported a patient with the t(4;14) in our original cohort and also include a patient with a t(14;16) in this current report (overall incidence 10% in each instance). Both patients have been reported in detail elsewhere [5, 6].