Extrastriatal 99m Tc-TRODAT-1 Uptake in the Previous Hemorrhage With Hemosiderin Deposition.
case_report · Level V
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- Record sourced from PubMed, PMID 36728164.
- Also identified by DOI 10.1097/RLU.0000000000004558.
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Abstract
We reported a 91-year-old man who was suspected of having parkinsonism, and brain 99m Tc-TRODAT-1 scan revealed an extrastriatal uptake in the left side of brainstem, which was correlated to a previously hemorrhagic lesion with hemosiderin deposition. Macrophage or microglia might accumulate in the previous hemorrhagic lesion to phagocytize hemosiderin. We assumed that the 99m Tc-TRODAT-1 uptake in the hemosiderin deposition might be partially mediated by macrophage expressing dopamine transporter.
Medical subject headings
- Hemosiderin
- Organotechnetium Compounds