Early research shows that TNM staging is more accurate with PET-CT machines than with CT alone, PET alone, or visual correlation between PET and CT.
Combined PET-CT machines are a new area of research that allow for the functional metabolic discrimination of PET to be overlaid on high-resolution ct scans.
Clinical Value of PET-CT in the Diagnosis and Follow-up of Gastrointestinal Lymphoma
早期研究显示PET-CT机在TNM分期上比单一的运用CT要准确，以及能更好的在影像学上综合CT与PET的功能。
