Which one of the following is least likely to produce a lymphocytosis in the cerebrospinal fluid?

Which one of the following is least likely to produce a lymphocytosis in the cerebrospinal fluid?

Systemic lupus erythematous
Guillain-Barre syndrome
Viral encephalitis
Partially treated bacterial meningitis
Behcet’s syndrome

Cerebrospinal fluid: raised lymphocytes

Normal values of cerebrospinal fluid (CSF) are as follows:

pressure = 60-150 mm (patient recumbent)
protein = 0.2-0.4 g/l
glucose = > 2/3 blood glucose
cells: red cells = 0, white cells < 5/mm³

The following conditions are associated with raised lymphocytes

viral meningitis/encephalitis
TB meningitis
partially treated bacterial meningitis
Lyme disease
Behcet’s, SLE
lymphoma, leukaemia