Positron emission tomography PET may show hypometabolism in areas of brain associated with memory in patients with history of<unk>  but with no visible structural or functional brain damage on CT scan or MRI.
Amnesia other imaging findings
Dementia other imaging findings
Encephalopathy other imaging findings
Brain tumor other imaging findings
Personality disorder other imaging findings
Brain Stem Gliomas other imaging findings
Intracerebral metastases other imaging findings
Creutzfeldt-Jakob disease other imaging findings