CSF examination showed elevation of protein in 10 patients from BBE group and 10 patients from MSF group, however, leucocytosis was found in 6 cases from BBE group and 2 cases from MSF group.

• 脑脊液检查MFS组和BBE组各有10例表现为蛋白升高; MFS组脑脊液白细胞升高2例,BBE组6例。