Pineal Yolk Sac Tumor Producing α-Fetoprotein Detected by 68Ga-FAPI PET/MRI.
case_report · Level V
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- Record sourced from PubMed, PMID 34874353.
- Also identified by DOI 10.1097/RLU.0000000000003752.
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Abstract
Pineal yolk sac tumors (YSTs) are a rare type of extragonadal YST. They make up a small fraction of all intracranial germ cell tumors and an even small fraction of pineal masses overall. This study reported a case of pineal YST with α-fetoprotein production revealed by 18F-FDG and 68Ga-FAPI PET/MRI. In the PET images, 68Ga-FAPI showed a far better tumor-to-background ratio than 18F-FDG in the pineal YST because there is little 68Ga-FAPI uptake in the brain. This case indicates that 68Ga-FAPI PET/MRI may be a useful tool for evaluating intracranial YST and other types of tumors in central nervous system.
Medical subject headings
- Endodermal Sinus Tumor
- Positron Emission Tomography Computed Tomography