pleocytosis

Introduction

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

More general terms

• sign/symptom