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pleocytosis

Presence of more cells than normal, often denoting leukocytosis. The term was originally used in reference to lymphocytosis in CSF. Etiology: - viral meningitis - lymphocytic choriomeningitis - mumps virus - herpes simplex encephalitis - bacterial meningitis - tuberculous meningitis - Listeria meningitis - neurosyphilis - repeated lumbar puncture [3]

General

sign/symptom

References

  1. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
  2. Rothaus C A Returning Traveler with Headache. NEJM Resident 360. Dec 25, 2019 https://resident360.nejm.org/clinical-pearls/a-returning-traveler-with-headache-2
  3. Schmidauer M et al. Reactive pleocytosis after repeated lumbar puncture - Implications for clinical practice. Eur J Neurol 2025 Apr; 32:e70117 PMID: 40186414 PMCID: PMC11971533 https://onlinelibrary.wiley.com/doi/10.1111/ene.70117