Bone marrow histopathologic patterns and immunologic findings in B-chronic lymphocytic leukemia
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Abstract
In 82 patients with B-chronic lymphocytic leukemia, the correlations between the histopathologic bone marrow patterns (interstitial, nodular, mixed, and diffuse), serum immunoglobulin (Ig), and blood B-lymphocyte levels and T-lymphocyte levels have been analyzed. The most commonly lowered Ig class was IgM (43% of cases) followed by IgA (35%), and IgG (10%). There was a trend to a more frequent decrease of Ig levels when “advanced” bone marrow patterns (mixed + diffuse) were compared with the earlier ones (interstitial + nodular). The frequency of such a decrease was statistically significant for IgA class (P < 0.01). The absolute number of blood T-lymphocytes was increased in the diffuse pattern (P < 0.01).Keywords
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