Jona Hattangadi-Gluth
In this proposal, the investigators introduce advanced diffusion and volumetric imaging techniques along with innovative, automated image parcellation methods to identify critical brain regions, incorporate into cognitive-sparing SRS for intracranial lesions, and analyze biomarkers of radiation response. This work will advance the investigators' understanding of neurocognitive changes after brain SRS and help create interventions that preserve cognitive-function in patients with intracranial lesions.
Background: Brain metastases affect one third of adult cancer patients. Stereotactic radiosurgery (SRS) is standard of care for patients with limited brain metastases. Yet most patients will experience post-treatment cognitive decline given the potential for high doses to eloquent white matter and the hippocampus. SRS is also standard of care for benign intracranial lesions like arteriovenous malformations (AVMs) and meningioma. Objective/Hypothesis: The investigator's team has developed innovative, robust imaging methods and automated segmentation techniques to identify critical white-matter…
Inclusion Criteria: 1. Patients 18 years or older 2. Eligible for intracranial SRS: Limited brain metastases targets geometrically feasible for SRS (intact or resected tumor bed), meningioma, or cerebral AVM 3. Eastern cooperative Oncology Group (ECOG) performance status 0-2 (score of 0, no symptoms; 1, mild symptoms; 2, symptomatic, \<50% in bed during the day) 4. Ability to answer questions and follow commands via neurocognitive testing 5. Estimated life expectancy greater than 6 months 6. Pathologic confirmation of extracerebral tumor site (eg, lung, breast, prostate) from either the prima…
In this proposal, the investigators introduce advanced diffusion and volumetric imaging techniques along with innovative, automated image parcellation methods to identify critical brain regions, incorporate into cognitive-sparing SRS, and analyze biomarkers of radiation response. This work will advance the investigators' understanding of neurocognitive changes after brain SRS and help create interventions that preserve cognitive-function during SRS for intracranial lesions
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