Fig. 2.
Fig. 2. The immunophenotype of total plasma cells (CD38++) as well as plasma cell populations defined by CD45 expression. / Mature plasma cells were CD38++, CD45−; immature plasma cells were CD38++, CD45+; and primitive plasma cells were CD38++, CD45++. Expression of the antigens CD19, CD20, CD40, CD56, CD80, CD86, and CD138 is shown for 35 patients at diagnosis.

The immunophenotype of total plasma cells (CD38++) as well as plasma cell populations defined by CD45 expression.

Mature plasma cells were CD38++, CD45; immature plasma cells were CD38++, CD45+; and primitive plasma cells were CD38++, CD45++. Expression of the antigens CD19, CD20, CD40, CD56, CD80, CD86, and CD138 is shown for 35 patients at diagnosis.

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