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Abstract
According to the International Workshop on Chronic Lymphocytic Leukemia/National Institutes of Health (iwCLL/NIH) guidelines for the diagnosis and treatment of chronic lymphocytic leukemia (CLL), bone marrow biopsy (BMB) is not required at diagnosis, however recommended before initiating treatment. That notwithstanding, histopathological examination of the BMB has the potential to provide important information of both clinical and biological significance. Here we attempt a reappraisal of the role of BMB examination in the modern diagnostic work-up of patients with CLL, based on both the literature and our accumulated experience from the systematic and multiparametric evaluation of a large series of BMB samples taken at diagnosis of CLL. Overall, we argue that the study of BMB offers important information not only for diagnostic purposes but also for elucidating CLL pathobiology.
Acknowledgements
The authors wish to thank Drs. Anastasia Athanasiadou, Chrysanthi Vadikolia, Chrysavgi Lalayanni and Riad Saloum for stimulating discussions and their long-standing collaboration, and Evangelia Stalika for expert technical support.
Potential conflict of interest
Disclosure forms provided by the authors are available with the full text of this article at www.informahealthcare.com/lal.
This work was supported in part by Cariplo Foundation (Milan, Italy), and the ENosAI project (code 09SYN-13-880), co-funded by the EU and the Hellenic General Secretariat for Research and Technology.