Lung tumor
Lymphoma and lymphoid infiltrates
BALT lymphoma

Author: Deepali Jain, M.D. (see Authors page)

Revised: 29 December 2016, last major update September 2012

Copyright: (c) 2003-2016,, Inc.

PubMed Search: BALT lymphoma lung
Cite this page: BALT lymphoma. website. Accessed March 29th, 2017.
Definition / General
  • Lymphoma of Bronchus Associated Lymphoid Tissue
  • Rare type of low-grade, primary pulmonary MALT lymphoma
  • Often need gene rearrangement studies to diagnose
  • Indolent with good prognosis
Case Reports
Micro Description
  • Centrocyte-like lymphocytic proliferation in bronchiolar submucosa with lymphoepithelial lesions, reactive lymphocytes and plasma cells
  • Bland appearance
Micro Images

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H&E with lymphoepithelial lesions

Differential Diagnosis
  • Reactive hyperplasia