Thank you for your time and the information.
Hi!
Presence of tau protein or β2-transferrin marks the presence of CSF and can be used to detect CSF leak. The protein is not put in CSF fluid. Cancer drugs are introduced through lumbar puncture, epidural injections. Please discuss with your doctor. Take care!
The medical advice given should not be considered a substitute for medical care provided by a doctor who can examine you. The advice may not be completely correct for you as the doctor cannot examine you and does not know your complete medical history. Hence this reply to your post should only be considered as a guiding line and you must consult your doctor at the earliest for your medical problem.