The most appropriate test used to diagnose asymptomatic neurosyphilis:: (A) VDRL, (B) TPHA, (C) FTA-Abs, (D) TPI
Answer is A. TPI The classical findings include: 10-100 WBC/cm3, protein 50-100mg/dl & positive VDRL/RPR. Ref: Sexually transmitted infections, Bhushan Kumar, 2nd edition pg 460.