18 F PSMA Uptake in a Hypogastric Desmoid Tumor.
case_report · Level V
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- Record sourced from PubMed, PMID 41428660.
- Also identified by DOI 10.1097/RLU.0000000000006060.
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Abstract
A 68-year-old man with a history of 2 primary tumors (prostate adenocarcinoma and colon adenocarcinoma) underwent 18 F-DCFPyL PET/CT for biochemical recurrence after prostate cancer treatment. A hypogastric nodular lesion with avid PSMA uptake was observed, interpreted as a possible implant. Surgical excision revealed a benign spindle cell proliferation compatible with a desmoid tumor (fibromatosis). This case highlights the potential pitfall of desmoid tumors mimicking malignancy on 18 F-DCFPyL PET/CT, emphasizing the importance of awareness and correlation with clinical and histopathologic findings.
Medical subject headings
- Desmoid Tumors
- Glutamate Carboxypeptidase II
- Lysine
- Antigens, Surface