Primary CNS lymphoma

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Revision as of 19:49, 14 November 2025 by Aidan (talk | contribs) (Created page with "==Investigations== * CSF ** Abnormal in 80% of CNS lymphomas ** Normal cell counts in 30-60% of cases ** Protein normal in 30-55% of cases ** Can result in hypoglycorrhachia (median of 4.1 mmol/L but below 0.8 mmol/L in up to 20% of patients) ** Cytology can be diagnostic Category:HematologyCategory:OncologyCategory:Neurology")
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Investigations

  • CSF
    • Abnormal in 80% of CNS lymphomas
    • Normal cell counts in 30-60% of cases
    • Protein normal in 30-55% of cases
    • Can result in hypoglycorrhachia (median of 4.1 mmol/L but below 0.8 mmol/L in up to 20% of patients)
    • Cytology can be diagnostic