FAPI Uptake in Avascular Necrosis of the Talus.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 41642049.
- Also identified by DOI 10.1097/RLU.0000000000006197.
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Abstract
We present a case of metastatic castration-resistant prostate cancer (mCRPC) with prior hepatic involvement who ultimately received 177 Lu-PSMA therapy. During the posttreatment scan following the third cycle, atypical uptake was observed in the left ankle, which was also evident as FAPI uptake on the 68 Ga-FAPI-46 PET/CT performed for restaging, and was subsequently confirmed as avascular necrosis through MRI correlation. This case illustrates the false-positive uptake of 177 Lu-PSMA-617 and 68 Ga-FAPI-46 in avascular necrosis of the talus.
Medical subject headings
- Talus