When is lumbar puncture considered in the evaluation of patients with suspected Parkinson disease (PD)?

Updated: Aug 29, 2019
  • Author: Robert A Hauser, MD, MBA; Chief Editor: Selim R Benbadis, MD  more...
  • Print

Lumbar puncture should be considered if signs of normal-pressure hydrocephalus (NPH) are observed (eg, incontinence, ataxia, dementia). In NPH, clinical signs characteristically improve after removal of about 20 mL of cerebrospinal fluid.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!