Simultaneous Demonstration of Metabolic Lesions Consistent With Alzheimer Disease and Brain Metastases on FDG-PET Imaging

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Abstract

Abstract:

We report a case of a patient with brain metastases and simultaneous Alzheimer disease (AD) on FDG-PET imaging. Literature documenting AD coexisting with brain metastases is extremely rare, and there are no previously documented cases of FDG-PET imaging revealing concurrent AD and brain metastases. In addition to AD, both brain metastases and whole-brain radiation therapy may cause neurocognitive deterioration. Hence, it is important to differentiate the underlying pathologic process that is causing dementia in patients with brain metastases, to better manage these patients and improve their quality of life.

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