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dysgammaglobulinemia

[dĭs-găm′ə-glŏb′yə-lə-nē′mē-ə]
n.
  1. A disorder involving an abnormality in the structure, distribution, or frequency of serum gamma-globulins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.