What is a DaTscan and how does it help with Parkinson's diagnosis?
A DaTscan is an imaging test approved by the FDA that helps neurologists visualize dopamine-producing cells in your brain. It can be a useful tool in the diagnostic process, though it's not definitive on its own.
Here's how it works:
- A radioactive Show Full Answer
What is a DaTscan and how does it help with Parkinson's diagnosis?
A DaTscan is an imaging test approved by the FDA that helps neurologists visualize dopamine-producing cells in your brain. It can be a useful tool in the diagnostic process, though it's not definitive on its own.
Here's how it works:
- A radioactive tracer is injected into your bloodstream through an IV
- This tracer binds to dopamine-producing cells in your brain
- A special camera detects the tracer to show how your dopamine system is functioning
- It can help distinguish Parkinson's from conditions like essential tremor
The scan is particularly helpful because people with Parkinson's have impaired dopamine uptake, which the DaTscan can measure and visualize.
Potential side effects to be aware of include:
- Headache
- Nausea
- Dizziness
- Dry mouth
- Sensation of skin crawling
While a DaTscan can support a Parkinson's diagnosis by showing abnormal dopamine function, doctors typically use it alongside other diagnostic tools like your medical history, neurological exams, and response to Parkinson's medications to get the full picture.
February 7
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