68 Ga-PSMA-Avid Liver Metastases From Colon Cancer, Not Visualized on FDG PET Scan.
case_report · Level V
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- Record sourced from PubMed, PMID 37756469.
- Also identified by DOI 10.1097/RLU.0000000000004850.
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Abstract
18 F-FDG PET/CT scan is a well-known modality to assess distant metastases and treatment response in the patients with primary colon cancer. We are presenting an interesting case of 68 Ga-PSMA-avid liver metastases in a 74-year-old man with colon cancer and recently diagnosed prostate cancer. The liver metastases were positive on initial FDG PET but lost FDG avidity on subsequent posttreatment FDG PET scans. Biopsy from the PSMA-avid liver lesions confirmed metastasis from colon origin. PSMA is expressed in various forms of tumor neovasculature other than prostate cancer with potential new applications as a theranostic agent in the future.
Medical subject headings
- Prostatic Neoplasms
- Colonic Neoplasms
- Liver Neoplasms