A 55-year-old man with cough, bone pain, and cervical lymphadenopathy underwent both 18F-FDG and 18F-PSMA-1007 PET/CT scans with clinical suspicion of malignant disease. Compared with 18F-FDG PET/CT, 18F-PSMA PET/CT showed intense tracer uptake in the prostate gland, lungs, osteogenic lesions, and multiple lymph nodes. Interestingly, we also found the high tracer concentration of pulmonary lymphangitic carcinomatosis, a very rare form of prostate cancer metastasis to the lung, on 18F-PSMA-1007 PET/CT images.
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