FOLH1 and posterior cortical atrophy: Uptake can occur in benign bone conditions (e.g., Paget’s disease, healing fractures, vertebral hemangiomas), non-prostatic PSMA-expressing tissues (e.g., sympathetic ganglia), and non-PCa malignancies (e.g., colorectal or hepatocellular carcinomas), all of which can complicate image interpretation [18].