We report a case of PCa with incidental intrahepatic cholangiocarcinoma (ICC) detection using 18F-PSMA-1007 and 18F-fluorodeoxyglucose (FDG) positron emission topography (PET)/MRI.18F-PSMA-1007 PET/MRI of our patient with PCa showed that one liver lesion had high PSMA uptake. The gene discussed is FOLH1; the disease is intrahepatic cholangiocarcinoma.