What are risk factors for primary central nervous system lymphoma (PCNSL) in immunocompetent patients?

Updated: Jan 19, 2018
  • Author: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS; Chief Editor: Stephen A Berman, MD, PhD, MBA  more...
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No clear risk factors for PCNSL in immunocompetent patients are known.

The disease is more common in men (the male-to-female ratio is 2:1) and in elderly persons. [6]

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