Microdialysis during or after brain tumor surgery to find tumor biomarkers

You may qualify if

• Age >= 18 years
• Diagnosis of the following, based on clinical and radiographic evidence:; Any glioma; Metastatic brain tumor of any primary origin; Epileptic focus requiring surgical resection
• Planned neurosurgical procedure for purposes of biopsy or resection of suspected or previously diagnosed brain tumor (primary or metastatic) or epileptic focus as part of routine clinical care
• Willing to undergo neurosurgical resection or biopsy at Mayo Clinic [Rochester, Minnesota (MN)]
• For patients with gliomas recruited for post-operative microdialysis, willingness to stay in the hospital through post-operative day (POD) 3-5 (timing per physician and patient's shared decision making)
• Ability to understand and the willingness to sign a written informed consent document
• Enrollment into the Biobank study (IRB#12-003458)

You can't join if

• Vulnerable populations: pregnant women, prisoners or the mentally handicapped
• Patients who are not appropriate candidates for surgery due to current or past medical history or uncontrolled concurrent illness