18 F-PSMA-1007 and 18 F-FDG PET/CT Findings of Pulmonary Tuberculosis Mimicking Malignancy.

Kim, Dae-Weung; Park, Soon-Ah; Kim, Myoung Hyoun · Clin Nucl Med · 2026

case_report · Level V

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Abstract

A 78-year-old man with hormone-sensitive metastatic prostate cancer underwent chest CT, which revealed a gradually enlarging pulmonary nodule in the left upper lobe, suggestive of lymphangitic metastasis. To further evaluate the lesion, both 18 F-FDG and 18 F-PSMA-1007 PET/CT were performed. The lesion showed intense FDG uptake but relatively low PSMA uptake, raising the suspicion of a primary lung malignancy. Histopathologic examination after wedge resection confirmed pulmonary tuberculosis.

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