highly significantp <0.0001
The highly significant differences between CSF and paired peripheral blood lymphoid phenotype ( p <0.0001) confirms the existence of an active mechanism of lymphoid migration through the meninges. cerebrospinal fluid lymphocytes flow cytometry NHL cerebral lymphatic system The CSF population was represented by lymphocytes (77%; range 20–100%) together with a minor population of monocytes (CD4-weak or CD14-positive 15%; range 0–70%).