Which histologic findings are characteristic of primary central nervous system lymphoma (PCNSL)?

Updated: Jul 06, 2021
  • Author: Caroline T Goldin, MD; Chief Editor: Stephen A Berman, MD, PhD, MBA  more...
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PCNSL is a densely cellular, aggressive non-Hodgkin B-cell lymphoma. Immunocompetent patients usually have a small, noncleaved cell or immunoblastic subtype. Perivascular clusters of lymphocytes and T-lymphocyte infiltrates are common in immunocompetent patients. T-lymphocyte infiltrates are not found in patients with AIDS.

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