Indocyanine Green for Central Nervous System Tumors

Inclusion Criteria: Adult patients 18 years of age and older Patients presenting with a CNS tumor presumed to be resectable and are at risk for local recurrence on pre-operative assessment Good operative candidate as determined by the treating physician and multidisciplinary team Subject capable of giving informed consent and participating in the process of consent Exclusion Criteria: Pregnant women as determined by urinary or serum beta hCG within 72 hours of surgery Subjects with a history of iodide allergies Vulnerable patient populations Patients unable to participate in the consent process (children and neonates) Patients with non-MRI compatible implanted metallic foreign bodies Patients who due to severe claustrophobia cannot tolerate MRI scanning Patients with a known allergy or hypersensitivity to MRI contrast agents including gadolinium