FOLH1 and renal cell carcinoma: A recent retrospective cohort found (Ga-PSMA-11, 18F-PSMA, or 18F-DCFPyL) PSMA-avid thyroid gland lesions in 1.1% of patients undergoing PSMA PET evaluation for PCa; of these, a small but clinically significant proportion (3 of 61) were malignant, with one differentiated thyroid carcinoma, one Hürthle cell carcinoma and one renal cell carcinoma metastasis31.