Lymphohistiocytic tumors

Diffuse large B cell lymphoma

Last author update: 1 September 2012
Last staff update: 24 August 2020

Copyright: 2003-2023,, Inc.

PubMed Search: diffuse large B cell lymphoma lung

Deepali Jain, M.D.
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Cite this page: Jain D. Diffuse large B cell lymphoma. website. Accessed May 30th, 2023.
Definition / general
  • Presents as large parenchymal mass accompanied by necrosis, occasionally by intrabronchial mass
  • May evolve from MALT lymphoma or arise without preexisting lesions
  • 5 year survival is 50%
Microscopic (histologic) description
Positive stains
  • CD20
Negative stains
  • CD3, CD5, CD26
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