18F-FDOPA PET/CT or PET/MRI in Measuring Tumors in Patients With Newly-Diagnosed or Recurrent Gliomas

Inclusion Criteria: * Greater than 15 year-old at the time of radiotracer administration * Provides written informed consent * Suspected new diagnosis or suspected recurrence of glioma * Able to remain still for duration of each imaging procedure (about 20 minutes) Exclusion Criteria: * Less than 15 year-old at the time of radiotracer administra * Unable to provide informed consent * Inability to lie still for the entire imaging time * Inability to complete the needed investigational and standard-of-care imaging examinations due to other reasons (severe claustrophobia, radiation phobia, etc.) * Any additional medical condition, serious intercurrent illness, or other extenuating circumstance that, in the opinion of the Investigator, may significantly interfere with study compliance