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18F-DOPA PET-CT for Brain



18F-Fluorodihydroxyphenylalanine (18F-FDOPA) PET-CT is used to study Parkinson’s Disease. However, it is also useful in evaluating brain tumours such as glioblastomas, especially in suspected recurrences after surgery and radiotherapy. To diagnose Parkinson’s disease and related disorders, patients may need to stop some interfering drugs before the scan. Your consultant can help in understanding the same.

Test information: Fasting: 4 hours

Reporting: Within 2 hours*

  • Fasting for 4 hours is needed.
  • Please carry all medical documents, including doctor referrals, previous reports of any CT, MRI etc.
  • Always try to reach 15 min before appointment time as the radiopharmaceutical (tracer) used for 18F-DOPA PET-CT has a short half-life, and any delay may cause tracer decay, and you may be rescheduled for another day.
  • Please carry identification proof such as an Aadhar card, pan card etc.
  • On many occasions, the 18F-DOPA Brain PET-CT is accompanied by 18F-FDG PET-CT for differential diagnosis. You may be asked to come on another day for the same with same preparations.
* For details, please see service-related policies
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