| Inclusion Criteria: | Biopsy proven GBMs previously treated for their disease. Only histological Dx by MDACC pathologists accepted. Clincial/imaging diagnosis prior to MDACC Sx can enroll but will be excluded if samples do not show GBM.
Pt must have MRI scan with and without contrast within 3 wks of study entry.
Pts must be >/= 18 yrs of age.
Surgically accessible tumor for which resection is indicated at baseline eval. Decision that tumor can be resected to be made by neurosurgeon.
Pts must be eligible for surgery.
Signed informed consent.
Women and minorities will be included. Males and females recur with no preference to gender. |