PRIMARY OBJECTIVES:
I. To determine whether Gadavist® (gadobutrol) is consistent with Magnevist® (gadopentetate dimeglumine) or Multihance (gadobenate dimeglumine) in the preoperative grading of gliomas utilizing DCE MRI.
II. To determine whether Gadavist® is consistent with Magnevist® or Multihance in identifying the number of cerebral metastases from a primary cancer elsewhere in the body using T1-weighted post contrast MRI.
III. To determine if Gadavist® is consistent with Magnevist® or Multihance in identifying multiple sclerosis (MS) plaques using T1-weighted post contrast MRI.
IV. To determine if Gadavist® produces similar MR perfusion/permeability values of MS lesions as Magnevist® or Multihance.
V. Descriptive analysis to present the different rating patterns of Gadavist® versus Magnevist® or Multihance in differentiating therapeutic necrosis from recurrent tumor in gliomas utilizing DCE MRI.
OUTLINE:
Patients receive standard of care gadopentetate dimeglumine intravenously (IV) twice within 5 minutes or gadobenate dimeglumine IV twice within 5 minutes and then undergo DCE-MRI on day 1. Patients also receive gadobutrol IV twice within 5 minutes and then undergo DCE-MRI over approximately 30 minutes on day 3, 4, 5, 6, or 7.
After completion of study, patients are followed up at 7 days.
