68Ga-FAPI-04 PET/CT Detection of Peritoneal Metastases From a Rare Uterine Tumor Resembling Ovarian Sex-cord Tumor.
case_report · Level V
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- Also identified by DOI 10.1097/RLU.0000000000006657.
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Abstract
Uterine tumor resembling ovarian sex-cord tumor (UTROSCT) is an extremely rare uterine stromal neoplasm of uncertain origin that accounts for less than 0.5% of uterine malignancies. Here, we report, using MRI, 18F-FDG, and 68Ga-FAPI-04 PET/CT, the imaging findings for peritoneal metastatic lesions from postoperative UTROSCT in a 58-year-old woman. The peritoneal lesions showed only mild uptake on 18F-FDG PET/CT. Subsequent 68Ga-FAPI-04 PET/CT revealed intense tracer uptake in the lesions, indicating the potential value of this modality for detecting recurrence and metastasis in UTROSCT.