K. T. D. Thai, J. A. Wismeijer, C. Zumpolle, M. D. de Jong, M. J

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Presentation transcript:

High incidence of peripheral blood plasmacytosis in patients with dengue virus infection K.T.D. Thai, J.A. Wismeijer, C. Zumpolle, M.D. de Jong, M.J. Kersten, P.J. de Vries Clinical Microbiology and Infection Volume 17, Issue 12, Pages 1823-1828 (December 2011) DOI: 10.1111/j.1469-0691.2010.03434.x Copyright © 2011 European Society of Clinical Infectious Diseases Terms and Conditions

FIG. 1 White blood cell subset and the kinetics of peripheral blood plasma cells in dengue virus (DENV)-infected patients. (a) Leukocyte profile, determined by May-Grünwald–Giemsa staining, in patients with DENV infection stratified by days of illness. Data indicate median and 25–75% range. L, lymphocyte; AL, atypical lymphocyte; PL, plasmacytoid lymphocyte; PC, plasma cell; NG, neutrophil granulocyte; M, monocytes. No plasma cells were found in patients with other febrile illness. (b and d) Distribution of percentage (b) and absolute (d) plasma cells (of total white blood cells) by days of illness in patients with DENV infection. The kinetics of sequential plasma cell results in eight patients with DENV infection are indicated by connected lines. (c) Plasma cell (left) and plasmacytoid lymphocyte (right) in peripheral blood of a patient with secondary DENV infection (magnification ×100). Clinical Microbiology and Infection 2011 17, 1823-1828DOI: (10.1111/j.1469-0691.2010.03434.x) Copyright © 2011 European Society of Clinical Infectious Diseases Terms and Conditions

FIG. 2 General lymphocyte profile, plasma cells clonality and plasma cell immunophenotype in dengue virus (DENV)-infected patients. General lymphocyte profile by flow cytometric analysis in patients with DENV infection and other febrile illness, stratified by days of illness. L; lymphocyte; CD19+; B cell; CD16+/CD56+, natural killer cell; CD3+, T cell; CD3+/CD4+, CD4+ T cell; CD3+/CD8+, CD8+ T cell; CD138+, plasma cell. Data indicate median and 25–75% interquartile range Clinical Microbiology and Infection 2011 17, 1823-1828DOI: (10.1111/j.1469-0691.2010.03434.x) Copyright © 2011 European Society of Clinical Infectious Diseases Terms and Conditions

FIG. 3 Plasma cells, anti-dengue virus (DENV) IgG antibodies, primary and secondary DENV infection. (a) DENV serum-specific IgG antibodies and plasma cells (by May-Grünwald–Giemsa staining), by days of illness in patients with secondary DENV infection. (b) Plasmacytosis (% of total white blood cells) in primary and secondary DENV infection by days of illness. Data indicate median and 25–75% interquartile range. Clinical Microbiology and Infection 2011 17, 1823-1828DOI: (10.1111/j.1469-0691.2010.03434.x) Copyright © 2011 European Society of Clinical Infectious Diseases Terms and Conditions