Which condition is associated with NHL/B-cell lymphoma in individuals of Mediterranean ethnicity?

Updated: Feb 23, 2021
  • Author: Mohammad Muhsin Chisti, MD, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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In the Middle East, heavy-chain disease (alpha) is a disorder of B-lymphoid cells that is characterized by diffuse thickening of the small intestine caused by a lymphoplasmacytic infiltrate with secretion of incomplete immunoglobulin A (IgA) heavy chains. This clinicopathologic entity is rarely encountered in individuals who are not of Mediterranean ethnicity.

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