47 research outputs found

    BHS guidelines for the treatment of marginal zone lymphomas.

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    Marginal zone lymphomas are a heterogeneous subtype of indolent B-non-Hodgkin Lymphoma that includes three distinct diseases: Extranodal mucosa associated lymphoid tissue lymphoma, nodal marginal zone lymphoma and splenic marginal zone lymphoma lymphocytes +/- villous lymphocytes. The different diagnosis, work up and treatment options are discussed in these guidelines

    All-Trans retinoic acid-induced thrombocytosis in a patient with acute promyelocytic leukaemia

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    Contains fulltext : 24535___.PDF (publisher's version ) (Open Access

    An illustrated case of altered cellular immunity after autologous stem cell transplantation.

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    We report an unusual association of T-cell lymphoma, autologous stem cell transplantation and Progressive Multifocal Leukoencephalopathy.Case ReportsJournal Articleinfo:eu-repo/semantics/publishe

    Long-term remission with surgery for recurrent localized Hodgkin lymphoma.

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    Journal ArticleSCOPUS: ar.jinfo:eu-repo/semantics/publishe

    Subcutaneous panniculitis-like T-cell lymphoma: further evidence for a distinct neoplasm originating from large granular lymphocytes of T/NK phenotype

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    We report the case of a 20 year-old caucasian woman who presented a primary subcutaneous panniculitis-like T-cell lymphoma (SPTCL) as an invasive tumor of the chest wall. Herein, the neoplastic cells were found to express a CD3+CD8+ phenotype but also displayed variably the natural killer (NK)-associated antigens CD56 and CD57 as well as granzyme B. On cytological examination, these cells showed a large granular lymphocyte (LGL)-like morphology with presence of azurophilic granules in their cytoplasm. Electron dense and membrane bound granules like those found in cytotoxic T lymphocytes (CTL) were also demonstrated by electron microscopy. Neither rearrangement of the T-cell receptor subunits nor Epstein-Barr virus (EBV) genome was observed at the molecular level. The LGL-like features of the neoplastic cells found in this case and the presence of NK-associated antigens provide additional support to the cytotoxic derivation of most SPTCL

    Sickle cell disease: exotic disease or a Belgian public health problem?

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    Sickle cell disease is a genetic disorder involving the haemoglobin designated as haemoglobin S, an autosomic recessive hereditary disease. It is the most frequent hereditary disease in sub-Saharan Africa, however epidemiological studies performed with a systematic neonatal screening in Brussels and Liège have proven that more than one neonate over 2.000 has a sickle cell disease. If this amount is significant, at the level of each physician the number of patient-contacts will be weak. Another aspect of the disease is the variability in its expression: some patients suffer from multiple and chronic organ alterations while other suffer also from acute events which might lead to death if not treated appropriately. The poor experience of each physician, the lack of the disease knowledge by the population, the symptoms complexity, and the socio-economical aspects of sickle cell disease explain that it can be considered as an "exotic" disease but also as a public health problem. A global and dedicated approach of the patient as a whole must be implemented. This is the reason for the existence of the "Réseau des Hémoglobinopathies": http://www.redcellnet.be/

    Spleen cell cytokine secretion in Mycobacterium bovis BCG-infected mice.

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    Three susceptible mouse strains, i.e., BALB/c (H-2d), C57BL/6 (H-2b), and major histocompatibility complex-congenic BALB.B10 (H-2b), were infected intravenously with 4 x 10(6) CFU of live Mycobacterium bovis BCG and analyzed 4 weeks later for in vitro spleen cell cytokine secretion in response to purified protein derivative (PPD), BCG culture filtrate (CF), BCG cellular extract, total BCG, the purified extracellular 30-32-kDa antigen (the fibronectin-binding antigen 85), or the intracellular 65-kDa heat shock protein. C57BL/6 and BALB.B10 mice produced 5- to 10-fold more gamma interferon and interleukin-2 (IL-2) when stimulated with CF, PPD, and antigen 85 than BALB/c mice did. When stimulated with BCG extract and whole BCG, gamma interferon and IL-2 levels were generally lower and comparable in the three strains. IL-4 was detected in spleen cell culture supernatants from infected BALB/c mice but not from C57BL/6 or BALB.B10 mice. IL-5 could not be detected. C57BL/6 and BALB.B10 spleen cells also produced more tumor necrosis factor alpha and IL-6 after stimulation with PPD and CF than BALB/c cells did. Finally, BCG vaccination generated efficient protective immunity in C57BL/6 and BALB.B10 mice but not in BALB/c mice. These data suggest that secreted mycobacterial CF antigens selectively induce a strong TH1 response in BCG-infected C57BL/6 and BALB.B10 mice, whereas in BALB/c mice this response is partly counterbalanced by TH2 cells
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