Different Appearances of Esophageal Squamous Cell Carcinoma in 18 F-PSMA PET/CT Versus 18 F-FDG PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 40474377.
- Also identified by DOI 10.1097/RLU.0000000000005722.
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Abstract
An 81-year-old man with a history of prostate cancer, status post radiation therapy, was referred for a prostate-specific membrane antigen (PSMA) PET/CT scan. Fluorine-18 DCF-Pyl (Pylarify) PSMA PET/CT showed focal increased radiotracer uptake at the right prostate and bilateral iliac chain metastatic lymph nodes. The same PSMA PET/CT showed focal increased radiotracer uptake at the junction of the mid to lower esophagus. 18 F-FDG PET/CT identified a large hypermetabolic esophageal mass in the mid to lower esophagus, showing a greater extent of esophageal disease than the PSMA PET/CT. An endoscopic biopsy confirmed poorly differentiated esophageal squamous cell carcinoma.
Medical subject headings
- Positron Emission Tomography Computed Tomography
- Esophageal Neoplasms
- Fluorodeoxyglucose F18
- Carcinoma, Squamous Cell
- Glutamate Carboxypeptidase II