CNS tumor
Lymphoma and other hematopoietic lesions
Lymphomatoid granulomatosis

Topic Completed: 1 January 2006

Revised: 3 January 2019, last major update January 2006

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Lymphomatoid granulomatosis CNS

Nat Pernick, M.D.
Page views in 2019: 174
Page views in 2020 to date: 6
Cite this page: Pernick N. Lymphomatoid granulomatosis. website. Accessed January 26th, 2020.
Definition / general
  • Lymphoproliferative disorder with features of inflammation, vasculitis and neoplasm; usually B cell disorder with reactive T cells
  • Has high rate of CNS involvement (20 - 50%), often associated with pulmonary disease
  • Rarely is isolated to CNS
  • May progress to lymphoma, particularly in AIDS patients
Microscopic (histologic) description
  • Angiocentric inflammation due to atypical lymphocytes with vessel wall destruction
  • Usually no well formed granulomas
Microscopic (histologic) images

Images hosted on other servers:

Perivascular lymphocytes, microglia and macrophages

Perivascular small lymphocytes with atypia

Positive stains
Additional references
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