Skin A patient has syphilis since 2 year. CSF examination was done & treatment staed. Which of the following test is most useful in monitoring treatment A TPI B VDRL C FTA D Dark ground microscopy 💡 Explanation A patient has syphilis since 2 year. CSF examination was done & treatment staed. Which of the following test is most useful in monitoring treatment ✓ Correct Answer: B. VDRL