Abstract
The amino acid PET tracer L3,4-dihydroxy-6-[18F]fluoro-L-phenylalanine (FDOPA), a radiolabeled analog of L-DOPA, is indicated for the molecular imaging of metabolic abnormalities of presynaptic dopamine transporters and L-type amino acid transporters. In clinical neurology, FDOPA-PET assesses the brain’s dopaminergic function for diagnosing Parkinson’s disease (PD) and differentiation between essential tremor and parkinsonian syndromes. In neuro-oncology, FDOPA-PET uptake measures the rate of L-type amino acid transport activity, given that malignant brain tumors are linked to increased protein synthesis and amino acid transport, resulting in higher uptake than normal tissue. FDOPA-PET is increasingly being used to complement MRI in diagnosing and managing patients with brain tumors, especially gliomas.
| Original language | English |
|---|---|
| Title of host publication | Hybrid PET/MR Neuroimaging |
| Subtitle of host publication | A Comprehensive Approach |
| Publisher | Springer International Publishing |
| Pages | 121-135 |
| Number of pages | 15 |
| ISBN (Electronic) | 9783030823672 |
| ISBN (Print) | 9783030823665 |
| DOIs | |
| State | Published - Jan 1 2021 |
Keywords
- Dopaminergic imaging
- FDOPA
- FDOPA-PET/MRI
- Gliomas
- Neuro-oncology imaging
- Parkinson’s disease
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