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Brief Title: Predictive Value of Dynamic Contrast Enhancement MRI on a Cerebral Tumor Response to Gamma Knife Treatment
Official Title: Prospective Study of Predictive Value of Dynamic Contrast Enhancement Magnetic Resonance Imaging With Gadolinium on the Response of a Cerebral Tumor to a Treatment With Gamma Knife
Study ID: NCT00156585
Brief Summary: Hypothesis: the pattern of MRI contrast enhancement after gadolinium injection is different in tumors that respond well to gamma knife. We are going to acquire sequential T1-weighted images of brain lesions before, during and after injection of Gd-DTPA. This will be repeated before and after a treatment with gamma knife. We will then analyse our results to see if there are common enhancement characteristics between lesions that will respond well to the radiosurgery treatment. Response will be clinically assessed by tumor volume as determined by MRI approximately 4 to 6 months after treatment.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Faculté de médecine, Université de Sherbrooke, Sherbrooke, Quebec, Canada
Name: Jean Chenard, MD
Affiliation: Université de Sherbrooke
Role: PRINCIPAL_INVESTIGATOR