Hi, These cells are not thymocytes (they are TdT negative!). They can be seen in very small numbers both in PB and BM of normal donors and increase after viral infections. Best wishes Anna At 00:21 1999-08-27 PDT, you wrote: > >Dear colleagues, >In a B-CLL peripheral blood sample (92% of lymphocytes are CD19+/CD5+) we >could detect 7% CD3+ cells, and 2.3% of these T-cells are CD4/CD8 double >positive. >I would like to ask whether it can be a real population and if anyone knows >about these common thymocytes appearing in peripheral blood of B-CLL >patients. >Thank you for any information, > >Julia B. Szeberenyi M.D. >Dept. of Genetics, Cell-and Immunobiology >Flow Cytometry Laboratory >Semmelweis University of Medicine >Budapest, Hungary > > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com > > Anna Porwit-MacDonald Heamatopathology Lab. Department of Pathology Karolinska Hospital, Stockholm anpo@mb.ks.se tel.:+46-851775863 fax.:+46-851775843
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