All cases serum and cerebrospinal fluid quickly checked blood plasma regain ring card experimentation (RPR), and treponema pallidum gelatin agglutination test (TPHA) were all positive.

• 所有病例血清及脑脊液(CSF)检查快速血浆反应素环状卡片试验(RPR)、梅毒螺旋体明胶凝集试验(TPHA)均阳性。