Monoclonal B-cell lymphocytosis: a brief review for general clinicians.

Sao Paulo Med J

Department of Clinical Medicine, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brazil.

Published: May 2011

AI Article Synopsis

  • Monoclonal B-cell lymphocytosis (MBL) is a condition similar to chronic lymphocytic leukemia (CLL), but much more common, occurring at least 100 times more frequently than CLL.
  • Diagnostic criteria exist to help distinguish MBL from CLL, indicating that while MBL can precede CLL, it isn't always a precursor.
  • The classification of MBL into "clinical," "population-screening," and "atypical" types is important for determining the appropriate clinical management and follow-up for patients.

Article Abstract

Monoclonal B-cell lymphocytosis (MBL) is a recently described medical condition that displays biological similarities to the most common subtype of adult leukemia in the Western world, i.e. chronic lymphocytic leukemia (CLL). Diagnostic criteria have been published with the aim of differentiating between these two entities. The overall prevalence of MBL is at least 100 times higher than that of CLL, which indirectly suggests that MBL is not necessarily a pre-leukemic condition, although in some circumstances, CLL cases can really be preceded by MBL. In view of this high prevalence rate, general clinicians and even non-hematological specialists have a high chance of being faced with individuals with MBL in their routine clinical practice. MBL is classified as "clinical MBL", "population-screening MBL" and "atypical MBL" and the clinical management of affected individuals depends greatly on this differentiation. The present review provides a guide to diagnosing and following up MBL patients.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10866320PMC
http://dx.doi.org/10.1590/s1516-31802011000300008DOI Listing

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