Dual-Phase 18F-Florbetaben PET/CT: Unsuspected Thalamic Infarction Mimicking Alzheimer Disease.
case_report · Level V
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- Record sourced from PubMed, PMID 34739400.
- Also identified by DOI 10.1097/RLU.0000000000003955.
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Abstract
Dual-phase amyloid PET is considered a useful protocol to study patients with cognitive impairment. Early-phase 18F-florbetaben PET/CT has been proposed as a surrogate of 18F-FDG PET/CT providing information related to regional brain perfusion. We report the case of a 61-year-old woman referred to the cognitive impairment unit for study, preliminary diagnosed as probable Alzheimer disease. The dual-phase 18F-florbetaben PET/CT was shown as the main finding, no uptake in the left anterior thalamus. Memory and language symptoms have been described as primary clinical features of anterior thalamic infarctions that could be confused with the main manifestations of Alzheimer disease.
Medical subject headings
- Alzheimer Disease
- Positron Emission Tomography Computed Tomography