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PET Imaging of Neurofluids
Liangdong Zhou1, Yi Li1, Mony J de Leon1
1Department of Radiology, Brain Health Imaging Institute, Weill Cornell Medicine, 407 E 61st Street Feil-2, New York, NY 10065, USA.
PET Clinics
|June 11, 2025
Summary
Positron emission tomography (PET) imaging quantifies brain neurofluid dynamics, including cerebrospinal fluid and interstitial fluid. This technique aids in understanding aging, Alzheimer's disease, and amyloid lesions.
Area of Science:
- Neuroscience
- Medical Imaging
- Biophysics
Background:
- Brain neurofluid pathways are crucial for waste clearance and nutrient transport.
- Cerebrospinal fluid (CSF) and interstitial fluid (ISF) dynamics are implicated in neurological disorders.
- Positron emission tomography (PET) is a powerful imaging modality for studying physiological processes.
Purpose of the Study:
- To introduce and review PET imaging applications for quantifying neurofluid dynamics.
- To model PET imaging for neurofluid quantification in aging and Alzheimer's disease.
- To assess the impact of amyloid lesions on neurofluid movement.
Main Methods:
- Review of established PET imaging techniques.
- Modeling of PET data for neurofluid quantification.
- Analysis of published and unpublished observational data.
Main Results:
- PET imaging can effectively model and quantify CSF and ISF dynamics.
- Neurofluid quantification using PET shows potential in aging and Alzheimer's disease research.
- Amyloid lesions influence neurofluid dynamics, detectable by PET.
Conclusions:
- PET imaging offers a valuable tool for studying brain neurofluidics.
- Further validation and development are needed to optimize PET for neurofluid quantification.
- Future research directions include refining models and exploring therapeutic interventions.
