Comparison of 18F FDG PET/CT TO PET MRI

Inclusion criteria

• Subject must have a clinical indication for a PET/CT exam
• Subject must be at least eighteen (18) years of age
• Female subjects that are determined to be non-pregnant by a physician investigator or are demonstrated non-pregnant by negative urine pregnancy test administered within the 24 hour period before PET/CT imaging
• Subject must be able to hear and understand instructions without assistive devices
• Subject must provide written informed consent
• Subject has the necessary mental capacity to understand instructions, and is able to comply with protocol requirements
• Subject is able to remain still for duration of imaging procedure (approximately 60 minutes total for PET/MRI); and
• Subject must be able to participate in a PET/MR imaging session within 1 hour of concluding their PET/CT exam.

Exclusion criteria

• Subjects who have any axial diameter larger than 55 cm
• Subjects with a weight greater than 499 lbs
• Subjects that have metallic/conductive or electrically/magnetically active implants without MR Safe or MR Conditional labeling, with the exception of dental devices/fillings, surgical clips, and surgical staples determined to be safe for MRI scanning by a physician investigator
• Subjects that have implants with MR Unsafe labeling;
• Subjects that have implants labeled as MR Conditional by the manufacturer for which the allowable conditions are not expected to be achieved by the MR/PET environment or scan protocol;
• Subjects who have a contraindication to MRI per the screening policy of the participating site.