{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"100"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"1"}],"units":"Participants"}],"description":"For the subset of lesions where pathology is available (mainly biopsied lesions), the accuracy of 18F FDOPA PET as percent agreement with pathology will be calculated. If the number of biopsy positive lesions is at least 10, an estimate of sensitivity will be calculate; if the number of biopsy negative lesions is at least 10 an estimate of specificity will be calculated.","groups":[{"description":"Patients receive 18F-FDOPA intravenously (IV) and then undergo PET/CT or PET/MRI 10-30 minutes later. After completion of study, patients are followed up at 24 hours and at 1 week.","id":"OG000","title":"Diagnostic (FDOPA-PET/CT or PET/MRI)"}],"paramType":"NUMBER","reportingStatus":"POSTED","timeFrame":"Up to 30 minutes post-injection (at time of scan)","title":"Percent Agreement of 18F FDOPA PET With Pathology","type":"PRIMARY","unitOfMeasure":"percentage of agreement (sensitivity)"}