Non-Contrast Versus Contrast-Enhanced MRI in Colorectal Liver Metastases

This prospective study aims to compare the diagnostic performance of a non-contrast abbreviated MRI protocol with a contrast-enhanced MRI protocol for the detection and follow-up assessment of colorectal liver metastases.

Inclusion Criteria: * \- Histologically confirmed colorectal adenocarcinoma * One or more hepatic focal lesions known or suspected to represent colorectal liver metastases * Adequate image quality allowing reliable assessment of hepatic lesions * Patients scheduled to receive chemotherapy allowing assessment of treatment response * Patients referred for initial staging, restaging, or evaluation of treatment response * Written informed consent Exclusion Criteria: * \- Contraindications to gadolinium-based contrast administration * Incomplete MRI examinations * Inadequate image quality preventing reliable assessment * Contraindications to MRI examination